Hundreds of experiments have shown biodiversity fosters healthier, more productive ecosystems. But many experts doubted whether these experiments would hold up in the real world. […]

The post In the wild, biodiversity’s power surpasses what experiments predict appeared first on Smithsonian Insider.

Today’s cutting-edge laboratories rely on ultra-cold refrigeration to keep delicate cells like sperm viable for use in the future. But a new technique using microwaves […]

The post What does candied, microwaved sperm have to do with saving endangered species? appeared first on Smithsonian Insider.

Rock ’n’ roll musicians live forever in the mind’s eye thanks to iconic photos of them in their element, playing live: Chuck Berry and his […]

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The new island visible in the satellite photograph is the top of a giant shield volcano located on the rift axis in the Red Sea where the continental plates of Africa and Arabia are pulling apart.

The post A hot new island has just surfaced in the Red Sea. What’s going on? Smithsonian scientists explain. appeared first on Smithsonian Insider.

The last time Earth experienced both ice sheets and carbon dioxide levels within the range predicted for this century was a period of major sea […]

The post What the Ancient CO2 Record May Mean for Future Climate Change appeared first on Smithsonian Insider.

A hunter touches an infected animal’s blood, a farmer breathes the moist air exhaled by sick cows, contaminated meat is served at an outdoor market—these […]

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Which is more important for a career as a scientist, good grades in math or a strong sense of adventure? Hear what Smithsonian geologist Liz Cottrell has to say as she recounts her own school years and the steps that led to a career she can't imagine ever giving up.

The post Smithsonian geologist Liz Cottrell talks about what it takes to be a scientist. appeared first on Smithsonian Insider.

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If a supernova vaporized Earth’s ozone layer, what would happen to life in the ocean? Smithsonian biologist Pat Neale shows how UV rays could harm […]

The post If a supernova vaporized our ozone layer, what would happen to life on Earth? appeared first on Smithsonian Insider.

What is it like to be the curator of Great Cats at the National Zoo? We interviewed Craig Saffoe to hear firsthand.

The post What is it like to be curator of Great Cats at the National Zoo? appeared first on Smithsonian Insider.

Amateur paleontologist, Ray Stanford, describes his experience of discovering the impression of a dinosaur and determining that it was a new species. This video is […]

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Josh T. Franco, national collector for Smithsonian’s Archives of American Art, explains a copyright created by Mexican American artists to safeguard their work and reaffirm […]

The post What is Con Safos? appeared first on Smithsonian Insider.

What they observed was unique among all bird species: successful male caribs maintained and defended territories with nectar supplies that were two to five times greater than their daily needs and also isolated part of their crop for the exclusive feeding rights of visiting females.

The post A well-defended territory is what some female hummingbirds find most attractive in a mate appeared first on Smithsonian Insider.

The post Smithsonian paleobotanist Scott Wing discusses ancient global warming & what it portends for the future appeared first on Smithsonian Insider.

The covers to the last issues of the current runs of "Avengers" and "New Avengers," leading into "Secret Wars."; Credit: Marvel

Marvel Comics held a press conference this week announcing details about "Secret Wars," a company-wide comic book crossover that they promise will change everything.

Promises of change in comics often don't amount to much, but here's why this one just might, with Marvel teasing that it will produce a whole new world for its characters.

"We see this as putting an endcap to decades of stories and starting a new era," said Marvel Editor-in-Chief Axel Alonso. "And when you see the scope of the event, you see what we're doing, what we're willing to do, this is a place where we're going to be bringing new pieces onto the board and taking old pieces off. You guys will be yelling and screaming, you'll be loving, hating, and in equal measure."

Reboot history

Rival DC Comics has always been quick to have stories designed to streamline their history, with the "Crisis on Infinite Earths" being the most famous one — a story that destroyed the DC Comics universe of the time, birthing a new timeline that gave us the versions of DC's heroes we know today. Several minor and major reboots followed, with the biggest since then being 2011's New 52 (and a tease of another one with this April's "Convergence").

Meanwhile, Marvel still refers back to stories from their early days, beginning with the first issue of "Marvel Comics" in 1939, and more so since the launch of "Fantastic Four" and the interlinked Marvel Universe in the 1960s, led by Stan Lee and Jack Kirby.

Marvel previously launched a line of comics meant to offer a fresh vision of the Marvel characters called Ultimate Comics, but now the worlds of those characters and the traditional Marvel universe are getting combined thanks to "Secret Wars."

"The Ultimate Universe, the Marvel Universe, they're going to smash together," said Alonso. "This is the Marvel Universe moving forward."

"We've never done anything like this, ever," said Marvel senior vice president and executive editor Tom Brevoort. "And what we're going to do to top it, I don't know. Hopefully that will be somebody else's problem."

The stories leading to "Secret Wars," and what is Battleworld?

The story that's been built up so far has to do with different universes colliding into each other — and in the first issue of "Secret Wars," the Marvel and Ultimate Earths collide, with the heroes of those worlds unable to stop it. What's left behind is what Marvel is calling "Battleworld," a patchwork planet with different parts of it inhabited by the characters from different famous Marvel crossovers of the past (you can see some of those past titles in the slideshow above).

Marvel released this video to help you visualize what exactly Battleworld is:

Battleworld video

See a map of Battleworld here, showing the different worlds made up of old storylines to be explored in "Secret Wars" (and click to enlarge):

Brevoort described Battleworld as "The little melting pot in which the new Marvel Universe will be created" after the Marvel and Ultimate versions of Earth are destroyed. He said that Battleworld is what Marvel is going to be "during, through and after" the beginning of "Secret Wars."

"Once you hit 'Secret Wars' 1, there is no Marvel Universe. There is no Ultimate Universe. All there is is Battleworld, and a whole lot of empty void," Brevoort said.

"Every single piece of this world is a building block for the Marvel Universe moving forward," Alonso said. "None of these stories are Elseworlds, or What Ifs, or alternative reality stories. They aren't set in the past or the future. They're not set in an alternate reality. They're set in the reality of the Marvel Universe."

It's also a story that uses an old name — the original "Secret Wars" involved an alien taking heroes from Earth and forcing them into battle for the fate of the universe. It remains unclear if the villain from that crossover will play a role here.

Why is Marvel rebooting?

Observers were quick to speculate on some of the behind-the-scenes reasons for the change. Combining the Ultimate Universe with the traditional Marvel Universe would let them incorporate the half-black, half-Latino Spider-Man from the Ultimate line that grabbed headlines a few years ago. It would let them do something different with characters like the X-Men and the Fantastic Four, who have been a flashpoint for controversy due to Fox retaining rights in perpetuity to any films based on those characters.

It also opens the door to a longtime comic book trope: Bringing back to life the dead.

"If we were to want to resurrect Gwen Stacy, this would be the place to do it, wouldn't it?" Alonso said.

What do creators and fans think about "Secret Wars"?

Speaking of the death of Gwen Stacy, the writer who pulled the trigger on killing her, Gerry Conway, tells Newsarama that he's on board.

"I think like with any idea, the execution will matter more than the idea itself. The idea of a reset is, by itself, not a bad idea," Conway said.

One who's less on board with it: longtime Spider-Man artist John Romita.

"My guess is new fans will be okay with it, and old fans will grumble," Romita told Newsarama. "I’m not a businessman, but I do know that comic companies, for almost 100 years now, do whatever they can for shock value. They grab attention. Personally, I hate all the goofy things they do. When I was there, I used to fight stuff like this. But you can’t stop them."

Current Marvel writers have been sworn to secrecy about what happens once "Secret Wars" is done:

Dan Slott tweet

The lack of certainty about what this all means has led fans to wildly speculate, as well as poke fun at what might happen:

Fan tweet 1

Fan tweet 2

It's a story that's been years in the making.

"Every single time we've done an event, we've always had to be mindful of 'Secret Wars,' and we've had to make decisions based on the fact that we knew that 'Secret Wars' was headed our way," Alonso said.

Brevoort said that Hickman proposed a version of "Secret Wars" years ago, but that vision has since become significantly larger.

"It sounds like typical Stan lee hyperbole — and there's nothing wrong with typical Stan Lee hyperbole — but it is difficult to imagine something that would be larger in scope, in scale, than what we are doing with 'Secret Wars,'" Brevoort said.

That father of the modern Marvel comics world, Stan Lee, tells Newsarama that the reboot is "probably good."

"Anything they do that’s unexpected and different usually captures the attention of the fans," Lee said. "It sounds intriguing to me."

Lee also tells Newsarama that if he were to do it all again, he'd do it basically the same, describing what he did as "the right way to go, and maybe sometimes, even the perfect way to go."

"I liked making the Fantastic Four superheroes without a secret identity. I liked the tragedy of Spider-Man’s origin, the ‘with great power, there must also come great responsibility.’ I thought it was the right way of doing things at the time. And I still like what I’ve done," Lee said. "I can’t think, off the top of my head, of anything I’d really want to change."

What does "Secret Wars" mean for fans?

More details are promised in the weeks to come, with a free preview issue being released on Free Comic Book Day, May 2. While fans wait, they may want to heed the wait-and-see approach advocated by Conway and famed "Thor" artist Walt Simonson.

"Maybe this is coming back out of my old geology days, but I try not to have instant reactions to things and say, ‘Oh my God! That’s terrible!’" Simonson told Newsarama. "My basic reaction is usually ‘let’s see the evidence in the field.’ Let’s come back in a year and see what we’ve got. That will tell the story.”

And for those who say that Marvel is ruining their childhood by messing with the history of their favorite characters, Conway tells Newsarama:

"I would say to them, no, your childhood is still your childhood. There’s a point to be made, and it’s a universal one: We have to see that there’s a difference between what people do today, and what they did yesterday. Yesterday still exists, those stories still exist. Now someone else is getting a chance at a new childhood. And that’s nice."

Watch the full "Secret Wars" live press conference below:

Secret Wars press conference video

This content is from Southern California Public Radio. View the original story at SCPR.org.

Full Text:

Needle pricks not your thing? A team of National Science Foundation-funded scientists is developing wearable skin sensors that can detect what's in your sweat. They hope that one day, monitoring perspiration could bypass the need for more invasive procedures like blood draws, and provide real-time updates on health problems such as dehydration or fatigue. In a new paper, the team describes a new sensor design that can be rapidly manufactured using a "roll-to-roll" processing technique that essentially prints the sensors onto a sheet of plastic like words on a newspaper. They used the sensors to monitor the sweat rate, and the electrolytes and metabolites in sweat, from volunteers who were exercising, and others who were experiencing chemically induced perspiration. The new sensors contain a spiraling microscopic tube, or microfluidic, that wicks sweat from the skin. By tracking how fast the sweat moves through the microfluidic, the sensors can report how much a person is sweating, or their sweat rate. The microfluidics are also outfitted with chemical sensors that can detect concentrations of electrolytes like potassium and sodium, and metabolites like glucose.

Image credit: Bizen Maskey/Sunchon National University

Full Text:

Many wild southern sea otters in California are infected with the parasite Toxoplasma gondii, yet the infection is fatal for only a fraction of sea otters, which has long puzzled the scientific community. A National Science Foundation-funded study identifies the parasite's specific strains that are killing southern sea otters, tracing them back to a bobcat and feral domestic cats from nearby watersheds. The study marks the first time a genetic link has been clearly established between the Toxoplasma strains in felid hosts and parasites causing fatal disease in marine wildlife. The study's results highlight how infectious agents like Toxoplasma can spread from cat feces on land to the sea, leading to detrimental impacts on marine wildlife.

Image credit: Trina Wood/UC Davis

Full Text:

What an animal eats is a fundamental aspect of its biology, but surprisingly, the evolution of diet had not been studied across the animal kingdom until now. Scientists at the University of Arizona report several unexpected findings from taking a deep dive into the evolutionary history of more than one million animal species and going back 800 million years, when the first animals appeared on our planet. The study revealed several surprising key insights: Many species living today that are carnivorous, meaning they eat other animals, can trace this diet back to a common ancestor more than 800 million years ago; A plant-based, or herbivorous, diet is not the evolutionary driver for new species that it was believed to be; Closely related animals tend to share the same dietary category -- plant-eating, meat-eating, or both. This finding implies that switching between dietary lifestyles is not something that happens easily and often over the course of evolution.

Image credit: Daniel Stolte/UANews

As the coronavirus outbreak has spread throughout the United States, social distancing measures have taken many forms — such as business and school closures, cancelled events, and everyone being urged to keep six feet apart.

When it comes to COVID-19 testing, questions remain about which of the tests available are reliable, how much testing is needed, and how to ensure access to testing. The latest COVID-19 Conversations webinar explored the challenges ahead.

; Credit: Beatrice the Biologist / Scientific American

Today's dryku:
Food budgets are tight
Droughts do raise vegetables' price
But don't make snakes bite

Food:

• The USDA released its monthly food price outlook. Looks like prices are going to be up at least 3.5%. Fresh fruit could go up by 6%. Bloomberg has a chart showing how produce is projected to hit its highest price in 18 years. (LA Times)

Critters:

• Southern California seems to be seeing a higher rate of rattlesnake bites this year. Despite the article's headline, experts in the story say it's not because of the drought. A shorter winter has brought snakes out of hibernation earlier, meaning a longer active season, meaning more need for anti-venin.

As of June 12, 128 people were admitted to a hospital for a snakebite and of those, 93 received doses of anti-venin, Heard said. In 2013, 269 Californians went to a hospital for a snakebite and of those, 166 received anti-venin, he said. Simply doubling the number of patients needing anti-venin treatment would equal 186, more than 2013. (Some patients get “dry bites” meaning no venom is injected and therefore do not need anti-venin, he said). (Contra Costa Times)

• It's been a mixed bag for salmon this year. Some have needed to be trucked out to the ocean, because their streams are too dry. In the case of coho salmon, the drought has actually caused a record number to enter the ocean. It's not all good news though:

Biologists say that only 206 salmon egg clusters, known as "redds," were counted in the Lagunitas this year, well below the 20-year average of 250 "redds." And the fish that headed off to the ocean may not fare as well. They are smaller than normal and could face more difficult ocean conditions due to the warming pattern known as El Niño, scientists say. (Chico Enterprise-Record)

Fireworks:

• Sacramento cops are out in force, looking for illegal fireworks. The sheriff's department will double its number of officers on the hunt. Starting this week, having the little fire starters can mean jail time. (CBS Sacramento)

Water jerks:

• Everyone seems to be at a loss on how to get people to start saving water. Beatrice the Biologist may have stumbled onto the answer — it's a mixture of shame and badges. I'm going to print out the car one and post it in my window. Maybe then people will stop judging me for my filthy Camry. (Scientific American)

How has your community been affected by the drought? Share your story with a photo on Twitter or Instagram. Tag it #mydrought. For more details on our photo project, click here.

This content is from Southern California Public Radio. View the original story at SCPR.org.

"For Sale By Owner" and "Closed Due to Virus" signs are displayed in the window of Images On Mack in Grosse Pointe Woods, Mich. Congress is considering ways to help those struggling during the economic downturn and stabilize businesses hoping to reopen.; Credit: Paul Sancya/AP

Updated at 3:20 p.m. ET

Democrats and some Republicans are considering ways for the federal government to get money into people's pockets while the coronavirus is keeping much of the economy on ice.

Proposals for the next round of aid are being floated, and Democrats in the House are prepping another relief package as jobless claims continue to rise in the country. The Labor Department announced Friday that 20.5 million jobs were lost in April, pushing the overall unemployment rate to 14.7 %.

House Speaker Nancy Pelosi, D-Calif., hopes to release another bill, which is being crafted without the input of Republicans or the White House as early as next week.

"This is a reflection of the needs of the American people," Pelosi said Thursday. "We have to start someplace and, rather than starting in a way that does not meet the needs of the American people, want to set a standard."

The latest proposal from Sens. Kamala Harris, D-Calif., Bernie Sanders, I-Vt., and Ed Markey D-Mass., is a plan for the federal government to provide $2,000 a month for every individual earning less than $120,000, including children and other dependents. The draft legislation would extend the payments until three months after the public health emergency is lifted.

The proposal is a vast expansion on the recovery rebate program that sent a one-time payment of $1200 to every person earning less than $75,000 and an additional $500 for every child.

The trio of Democratic senators wants to make the payments, which would be available to every U.S. resident, retroactive to March. They didn't provide a cost estimate for the ambitious proposal, and it's unclear whether Senate leaders have an appetite for payments like these.

Official scorekeepers at the Congressional Budget Office estimate that the existing one-time $1200 payment program in the CARES Act package enacted in March could cost around $300 billion. Republican leaders have signaled concerns with the growing cost of the relief bills that have already passed.

Senate Majority Leader Mitch McConnell, R-Ky., has called for a pause on any new aid.

"Let's see what we are doing that is succeeding, what is not succeeding, what needs less, what needs more," McConnell told reporters in April. "Let's weigh this very carefully because the future of our country in terms of the amount of debt that we are adding up is a matter of genuine concern."

Not all Republicans agree. Sen. Josh Hawley, R-Mo., has introduced a comprehensive response plan that includes a proposal to cover 80 percent of payroll for companies that rehire workers and a bonus for the companies that take advantage of the program.

"The federal government should cover 80 percent of wages for workers at any U.S. business, up to the national median wage, until this emergency is over," Hawley wrote in an editorial in The Washington Post. "The goal must be to get unemployment down — now — to secure American workers and their families, and to help businesses get ready to restart as soon as possible."

Hawley's proposal would cap payments at the national median income level. The median income can be calculated in several different ways. Hawley told St. Louis Public radio the payments could be as high as $50,000. Other calculation set the figure at roughly $33,000, a figure many Democrats say is not sufficient in higher-cost areas like cities.

House Progressive Caucus co-chair Rep. Pramila Jayapal, D-Wash., has a separate version that would guarantee a worker's full salary up to $100,000 for three months. Jayapal's plan would automatically renew the payments on a monthly basis until consumer demand returns to pre-crisis levels.

The proposal has nearly two dozen co-sponsors but has not received an endorsement from party leadership.

Pelosi has not ruled out the possibility of including some minimum income payments in an upcoming coronavirus aid bill.

"We may have to think in terms of some different ways to put money in people's pockets," Pelosi said in an interview with MSNBC. "Let's see what works, what is operational and what needs other attention."

This content is from Southern California Public Radio. View the original story at SCPR.org.

Director Michael Apted (L) with Larry Mantle in the AirTalk studio.

This past Wednesday on "AirTalk," film director Michael Apted came in to talk with us about his eighth documentary in the series that's followed the lives of 13 people, beginning in 1964 when the kids were seven.  They've shared their stories with Apted every seven years, and he's clearly invested a lot of emotion into this project.

"56 Up" is wonderful for how it shows the mid-life evolution of the participants.  Apted includes scenes from earlier interviews, so that we see what aspects of today's 56-year-olds were present in childhood and what turns their lives have made over these years. 

"56 Up" is showing at the Nuart in West Los Angeles, and Apted will be doing Q-and-A at some of the screenings.

This content is from Southern California Public Radio. View the original story at SCPR.org.

California Governor Gavin Newsom speaks to the press in the spin room after the sixth Democratic primary debate of the 2020 presidential campaign season co-hosted by PBS NewsHour & Politico at Loyola Marymount University in Los Angeles, California on December 19, 2019. ; Credit: AGUSTIN PAULLIER/AFP via Getty Images

After nearly two months of “safer at home” during the COVID-19 outbreak, the state of California appears to be taking its first steps towards reopening businesses and restarting the economy.

Governor Gavin Newsom announced on Monday during the daily press briefing he has held since the start of the outbreak that California will be entering the first phase of its four-stage plan and allowing certain retail businesses like bookstores, music stores, sporting goods stores and florists to reopen for pickup as early as Friday. Manufacturing and logistics can start in the retail supply chain again as well. There are also local control measures in effect that allow certain municipalities to decide themselves whether to move farther ahead in the process and reopen certain things like restaurant dining rooms, though anyone deciding to do so would have to submit “containment plans” to the state. Two cities in Orange County, which has been involved in a back-and-forth with Sacramento over his order last week closing all state and local beaches in OC, have been cleared to reopen their beaches after they submitted plans to the state last week for how they’d reopen the beaches while safely controlling crowds.

Guests:

Erika Ritchie, reporter for the Orange County Register covering South Orange County Coastal Communities; she tweets @lagunaini

Donald Wagner, Orange County Supervisor, 3rd District, which includes Anaheim Hills, Irvine, Orange, Tustin, and the unincorporated canyons; former Mayor of Irvine (2016-2019); tweets @DonWagnerCA 

Bob Whalen, mayor of Laguna Beach

Karen Farrer, mayor of the City of Malibu

Robert Garcia, mayor of Long Beach; he tweets @LongBeachMayor

This content is from Southern California Public Radio. View the original story at SCPR.org.

A little girl licking a spoon after stirring the cake mixture in 1935. ; Credit: Fox Photos/Getty Images

“How in the world am I going to come up with something to make dinner tonight?”

If you’ve found yourself asking this question repeatedly during the pandemic, you’re not alone. Grocery shopping complicated by COVID-19 and shortages of certain staples has meant that many who might not usually consider themselves home chefs have had no choice but to throw an apron on and do some culinary experimentation with whatever they already have in their kitchen and pantry. 

Last month on AirTalk, we tackled this issue by calling up pro chef Noelle Carter and food writer Russ Parson, both of whom are former members of the L.A. Times’ Food team, to answer your questions about how to cook with what you already have, recycle  certain foods, and even make staples that you might not be able to find in abundance right now. If you tuned in last time, you learned how to make your own pasta, how to regrow vegetables like green onions and romaine lettuce, and even what you can use as a substitute for all-purpose flour if you can’t find any at the store.

Today on AirTalk, we’re bringing Noelle and Russ back to help you out in the kitchen! If you’ve got questions about things like making or substituting ingredients, or need some ideas for what to make out of random ingredients in your fridge, join our live conversation by calling 866-893-5722.

Guests:

Noelle Carter, chef, food writer and culinary consultant for Noelle Carter Food, a website sharing recipes, cooking techniques and helpful kitchen tips for the home cook; she is the former director of the Los Angeles Times Test Kitchen; she tweets @noellecarter

Russ Parsons, former food editor and columnist for The Los Angeles Times for more than 20 years; he is the author of two cookbooks: “How To Pick A Peach” and “How To Read A French Fry”; he tweets @Russ_Parsons1

This content is from Southern California Public Radio. View the original story at SCPR.org.

People sit on a hill overlooking Dodger Stadium on what was supposed to be Major League Baseball's opening day, now postponed due to the coronavirus, on March 26, 2020 in Los Angeles, California. ; Credit: Mario Tama/Getty Images

Had the 2020 MLB season started at the end of March like it was scheduled to, at this point we’d be starting to see divisions shape up, star pitchers and position players separating themselves from the rest of the league and a first look at who this year’s contenders and pretenders really would be. Sadly, the COVID-19 outbreak forced the league to postpone the start of the season, and now the question has become if there will be a season, not when. 

Not to be dragged down by the idea of no baseball, Wall Street Journal sports writer Jared Diamond took a recent proposal the league floated for an abbreviated 2020 campaign and gamed out how that might look in real life. The league’s idea would do away with the National and American Leagues and divide all 30 MLB teams into three divisions of 10 teams separated by region, and those teams would play in empty stadiums and only against other teams in their geographic division in the interests of reducing travel. But how viable is this, really? And what other considerations would the league and players union have to take with regards to testing and protocol for what happens if someone were to contract COVID-19? Is there a world where baseball still happens this year?

Today on AirTalk, Jared Diamond joins the Triple Play of Larry Mantle, Nick Roman and A Martinez to talk about what a shortened 2020 MLB season might look like, which teams stand to win and lose the most from the realignment and what other precautions the league would have to take against the spread of COVID-19.

Guests:

Jared Diamond, national baseball writer for the Wall Street Journal; his new book is "Swing Kings: The Inside Story of Baseball's Home Run Revolution” (William Morrow, March 2020); he tweets @jareddiamond

Nick Roman, host of KPCC’s “All Things Considered”; he tweets @RomanOnTheRadio

A. Martinez, host of KPCC’s “Take Two”; he tweets @amartinezLA

This content is from Southern California Public Radio. View the original story at SCPR.org.

An inmate firefighter from Oak Glen Conservation Camp near Yucaipa, California sets a backfire during the Easy Fire on October 30, 2019 near Simi Valley, California. ; Credit: David McNew/Getty Images

Red flag warning: They're some of the most dreaded words in fire-prone California. By now, many locals understand the term to basically mean, "Watch out for fires. It's about to get real."

KPCC has been demystifying some of the jargon around fires, so when Betsy Lawlor from Diamond Bar asked us to break down exactly what a red flag warning is, we were more than happy to explain.

This content is from Southern California Public Radio. View the original story at SCPR.org.

The East Bay Municipal Utility District Wastewater Treatment Plant in Oakland, California. Stanford researchers are testing sewage in hopes of tracking the emergence and spread of COVID-19 outbreaks.; Credit: Justin Sullivan/Getty Images

With coronavirus testing still lagging behind targets, many health officials are searching for other ways to assess the spread of the outbreak. One possibility? Looking at what we flush.

SARS-Cov-2 is often spread through sneezes and coughs, but it also leaves the human body through our waste. Scientists around the world are now testing sewage for the virus, using it as a collective sample to measure infection levels among thousands of people.

While the field of "wastewater epidemiology" existed before the coronavirus pandemic began, it's now rapidly expanding in the hope that it can become a front-line public health tool.

"Normally when I tell people I work with poo, they're not super interested," Stephanie Loeb, a post-doctoral researcher at Stanford University, told NPR in an interview over Skype. But, she says: "There's really a lot of information in our waste."

In the basement of a university building, Loeb pulls samples from freezers filled with vials of raw sewage, collected regularly from 25 wastewater treatment plants around California. Each is a snapshot of that community's health.

"It's this perfect mix, you know," says Krista Wigginton, a professor of environmental engineering at the University of Michigan, also working on the Stanford project. "The entire community is putting samples in at the same time."

She says by the time the virus reaches wastewater treatment plants, it's still possible to read its RNA.

"These are virus particles that are mostly intact, but that are no longer infective," Wigginton says. "That's what it looks like at this point."

The idea is that measuring overall virus levels in sewage over time could indicate whether an outbreak is growing or shrinking, potentially showing that trend earlier than patient testing would.

"That's a real-time measurement of what's happening in the community," says Wigginton. "Whereas some other tools we have, like the number of confirmed cases in clinics, sometimes those are delayed by quite a bit of time because people don't go get checked until maybe their illness has progressed by quite a bit."

The approach is already used for other diseases, such as polio. Health officials are working to eradicate polio around the globe and in Israel, an outbreak was spotted early through the wastewater system.

Stanford University isn't the only group working on coronavirus detection in sewage.

"We have a lot of nicknames," says Newsha Ghaeli, co-founder of the start-up Biobot. "I think some of our customers joke around that we're the 'sewer girls.'"

Biobot is currently testing sewage from about 150 communities across the U.S. Originally, the company was using sewage to monitor the opioid crisis, but quickly started offering coronavirus testing.

"It really caught fire," says Ghaeli. "Within ten days, we hit internal capacity."

Ghaeli says in some cities, they've been able to detect coronavirus in sewage the same week the first cases appeared. Other projects in France and the Netherlands have produced similar results.

In a more challenging scientific feat, the team is also working to estimate the number of individuals who have coronavirus in a community, based on the levels found in sewage.

Calculating that depends on knowing how much virus individuals shed, and some people seem to shed for a longer time than others, complicating the math. Other things could also affect the virus levels, such as how long it takes for the wastewater to reach the treatment plant and rainy weather, which causes runoff to flow in the sewage system in some communities, diluting the samples.

"There's a lot of research that needs to be done before we can say this number in wastewater means this many cases in the community," says Wigginton.

The advantage of testing sewage is that it may capture individuals who are less likely to go to a doctor's offices.

"Every person that is using the toilet has a voice," says Mariana Matus, Biobot's other cofounder. "And they can be taken into account for public health resources and prioritization of resources."

While it's still early in the technology's development, some see it being helpful in detecting new waves of the outbreak.

"I think it is potentially a new role that utilities can play," says Doug Yoder, deputy director of the Miami-Dade Water and Sewer Department in Florida, which serves 2.3 million people. "There has been, at the community level, not a whole lot of data about conditions community-wide."

Miami-Dade County has been sending sewage samples to Biobot for six weeks now, which have shown their virus levels going up and down a bit.

"We've seen in a couple instances the virus counts increase by a factor of six," he says. "And then the week following, it went back down. This data may not yet be ready for primetime in terms of community decision-making, but it has potential and promise for being able to see trends."

Health officials are eager for the information, he says, as one more way to gauge what's really happening with their local outbreak.

This content is from Southern California Public Radio. View the original story at SCPR.org.

"For Sale By Owner" and "Closed Due to Virus" signs are displayed in the window of Images On Mack in Grosse Pointe Woods, Mich. Congress is considering ways to help those struggling during the economic downturn and stabilize businesses hoping to reopen.; Credit: Paul Sancya/AP

Updated at 3:20 p.m. ET

Democrats and some Republicans are considering ways for the federal government to get money into people's pockets while the coronavirus is keeping much of the economy on ice.

Proposals for the next round of aid are being floated, and Democrats in the House are prepping another relief package as jobless claims continue to rise in the country. The Labor Department announced Friday that 20.5 million jobs were lost in April, pushing the overall unemployment rate to 14.7 %.

House Speaker Nancy Pelosi, D-Calif., hopes to release another bill, which is being crafted without the input of Republicans or the White House as early as next week.

"This is a reflection of the needs of the American people," Pelosi said Thursday. "We have to start someplace and, rather than starting in a way that does not meet the needs of the American people, want to set a standard."

The latest proposal from Sens. Kamala Harris, D-Calif., Bernie Sanders, I-Vt., and Ed Markey D-Mass., is a plan for the federal government to provide $2,000 a month for every individual earning less than $120,000, including children and other dependents. The draft legislation would extend the payments until three months after the public health emergency is lifted.

The proposal is a vast expansion on the recovery rebate program that sent a one-time payment of $1200 to every person earning less than $75,000 and an additional $500 for every child.

The trio of Democratic senators wants to make the payments, which would be available to every U.S. resident, retroactive to March. They didn't provide a cost estimate for the ambitious proposal, and it's unclear whether Senate leaders have an appetite for payments like these.

Official scorekeepers at the Congressional Budget Office estimate that the existing one-time $1200 payment program in the CARES Act package enacted in March could cost around $300 billion. Republican leaders have signaled concerns with the growing cost of the relief bills that have already passed.

Senate Majority Leader Mitch McConnell, R-Ky., has called for a pause on any new aid.

"Let's see what we are doing that is succeeding, what is not succeeding, what needs less, what needs more," McConnell told reporters in April. "Let's weigh this very carefully because the future of our country in terms of the amount of debt that we are adding up is a matter of genuine concern."

Not all Republicans agree. Sen. Josh Hawley, R-Mo., has introduced a comprehensive response plan that includes a proposal to cover 80 percent of payroll for companies that rehire workers and a bonus for the companies that take advantage of the program.

"The federal government should cover 80 percent of wages for workers at any U.S. business, up to the national median wage, until this emergency is over," Hawley wrote in an editorial in The Washington Post. "The goal must be to get unemployment down — now — to secure American workers and their families, and to help businesses get ready to restart as soon as possible."

Hawley's proposal would cap payments at the national median income level. The median income can be calculated in several different ways. Hawley told St. Louis Public radio the payments could be as high as $50,000. Other calculation set the figure at roughly $33,000, a figure many Democrats say is not sufficient in higher-cost areas like cities.

House Progressive Caucus co-chair Rep. Pramila Jayapal, D-Wash., has a separate version that would guarantee a worker's full salary up to $100,000 for three months. Jayapal's plan would automatically renew the payments on a monthly basis until consumer demand returns to pre-crisis levels.

The proposal has nearly two dozen co-sponsors but has not received an endorsement from party leadership.

Pelosi has not ruled out the possibility of including some minimum income payments in an upcoming coronavirus aid bill.

"We may have to think in terms of some different ways to put money in people's pockets," Pelosi said in an interview with MSNBC. "Let's see what works, what is operational and what needs other attention."

This content is from Southern California Public Radio. View the original story at SCPR.org.

Full Text:

What an animal eats is a fundamental aspect of its biology, but surprisingly, the evolution of diet had not been studied across the animal kingdom until now. Scientists at the University of Arizona report several unexpected findings from taking a deep dive into the evolutionary history of more than one million animal species and going back 800 million years, when the first animals appeared on our planet. The study revealed several surprising key insights: Many species living today that are carnivorous, meaning they eat other animals, can trace this diet back to a common ancestor more than 800 million years ago; A plant-based, or herbivorous, diet is not the evolutionary driver for new species that it was believed to be; Closely related animals tend to share the same dietary category -- plant-eating, meat-eating, or both. This finding implies that switching between dietary lifestyles is not something that happens easily and often over the course of evolution.

Image credit: Daniel Stolte/UANews

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