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Britain's prehistoric stone monuments; stories from our daily news site.

Ocean-going vesicles; stories from our daily news site.

Hunter-gatherer gut microbes, fast moving mountains, and a daily news roundup.

The genome from a cancerous cell line that's been living for millenia, Opportinty's first 10 years on Mars, and a daily news roundup.

Should we worry more about quantum decryption in the future or the past, how salt's role as a micronutrient may effect the global carbon cycle, and a daily news roundup.

Tackling the role of early fetal brain development in autism; daily news stories with David Grimm.

Fruitflies take evasive action; roundup of daily news with David Grimm.

Robert Coontz discusses this year's Breakthrough and letting readers have their say. Online news editor David Grimm brings the top news stories of 2014 and takes an audio news quiz. Hosted by Sarah Crespi.

Will Steffen discusses the processes that define the planetary boundaries framework: a safe operating space within which humanity can still thrive on earth. Jenna Jambeck examines the factors influencing how much plastic debris a nation contributes to the ocean. David Grimm discusses daily news stories. Hosted by Susanne Bard. [Img: Bo Eide Creative Commons License BY-NC-ND 2.0]

Alan Stern discusses the first scientific results from the New Horizons July 14 flyby of Pluto, which revealed details about the dwarf planet's geology, surface composition, and atmosphere; Catherine Matacic talks about dino temps, Paleo-sleeping, and editing pig organs. Hosted by Sarah Crespi.

Online News Editor David Grimm shares stories on the influence of governmental corruption on the honesty of individuals, what happened when our ancestors cut back on the amount of time spent chewing food, and how plants use sand to grind herbivores‘ gears.   Science’s International News Editor Rich Stone joins host Sarah Crespi to discuss his forensics story on how to track down the culprits after a nuclear detonation.   [Image: Miroslav Boskov]

Online News Editor David Grimm shares stories on a proposal for an orca sanctuary in the sea, the genes behind conceiving fraternal twins, and why CRISPR won’t be fixing the sick anytime soon.   Elizabeth Pennisi joins host Sarah Crespi to discuss bold birds, shy spiders, and the importance of animal personality.   [Image: Judy Gallagher]

This week we chat about why it’s hard to get a taxi to nowhere, why bones came onto the scene some 550 million years ago, and how targeting bacteria’s predilection for iron might make better vaccines, with Online News Editor Catherine Matacic. Plus, Science’s Alexa Billow talks with news writer Elizabeth Pennisi about the way hybrids muck up the concept of species and turn the evolutionary tree into a tangled web.   Listen to previous podcasts   [Image:  Raul González Alegría; Music: Jeffrey Cook]

This week, we chat about cleaning blueberries with purple plasma, how Tibetan dogs adapted to high-altitude living, and who’s checking ocelot message boards with Online News Editor David Grimm. Plus, Science’s Alexa Billow talks to Joe Paton about how we know time flies when mice are having fun.   Listen to previous podcasts.   [Image: Joseph Sites/USDA ARS; Music: Jeffrey Cook]

This week, we chat about human evolution in action, 6000-year-old fairy tales, and other top news stories from 2016 with Online News Editor David Grimm. Plus, Science’s Alexa Billow talks to News Editor Tim Appenzeller about this year’s breakthrough, runners-up, breakdowns, and how Science’s predictions from last year help us. In a bonus segment, Science book review editor Valerie Thompson talks about the big science books of 2016 and science books for kids.   Listen to previous podcasts.   [Image: Warwick Goble; Music: Jeffrey Cook]

This week, we chat about why grizzly bears seem to be dying on Canadian railway tracks, slow-release fertilizers that reduce environmental damage, and cleaning water with the power of the sun on the cheap, with Online News Editor David Grimm. And David Malakoff joins Alexa Billow to discuss a package of stories on the role of science and evidence in policymaking[link TK]. Listen to previous podcasts.  [Image: tacky_ch/iStockphoto; Music: Jeffrey Cook]

This week we have stories on how we taste water, extracting ancient DNA from mummy heads, and the earliest evidence for dog breeding with Online News Editor David Grimm. Sarah Crespi talks to John Travis about postsurgical cognitive dysfunction—does surgery sap your brain power? Listen to previous podcasts. [Music: Jeffrey Cook]

This week we have stories on the twisty tree of human ancestry, why mice shed weight when they can’t smell, and the damaging effects of even a small amount of oil on a bird’s feathers—with Online News Editor David Grimm.  Sarah Crespi talks to News Editor Tim Appenzeller about a special section on how artificial intelligence is changing the way we do science.  Listen to previous podcasts. [Image: © 2012 CERN, FOR THE BENEFIT OF THE ALICE COLLABORATION; Music: Jeffrey Cook]

This week we hear stories on new satellite measurements that suggest the Amazon makes its own rain for part of the year, puppies raised with less smothering moms do better in guide dog school, and what DNA can tell us about ancient Greeks’ near mythical origins with Online News Editor David Grimm. Sarah Crespi talks to Lizzie Wade about coastal and underwater evidence of a watery route for the Americas’ first people. Listen to previous podcasts. [Image: Lizzie Wade; Music: Jeffrey Cook] 

Geneticists and anthropologists studying historical records and modern-day genomes are finding traces of previously unknown migrants to Latin America in the 16th and 17th centuries, when Asians, Africans, and Europeans first met indigenous Latin Americans. Sarah Crespi talks with contributing correspondent Lizzie Wade about what she learned on the topic at the American Association of Physical Anthropologists’s annual meeting in Austin. Sarah also interviews Kang-Keun Ni about her research using optical tweezers to bring two atoms—one cesium and one sodium—together into a single molecule. Such precise control of molecule formation is allowing new observations of these basic processes and is opening the door to creating new molecules for quantum computing. This week’s episode was edited by Podigy. Listen to previous podcasts. [Image: Juan Fernando Ibarra; Music: Jeffrey Cook] 

A new project out of the Center for Open Science in Charlottesville, Virginia, found that of all the experimental social science papers published in Science and Nature from 2010–15, 62% successfully replicated, even when larger sample sizes were used. What does this say about peer review? Host Sarah Crespi talks with Staff Writer Kelly Servick about how this project stacks up against similar replication efforts, and whether we can achieve similar results by merely asking people to guess whether a study can be replicated. Podcast producer Meagan Cantwell interviews Emily Brodsky of the University of California, Santa Cruz, about her research report examining why earthquakes occur as far as 10 kilometers from wastewater injection and fracking sites. Emily discusses why the well-established mechanism for human-induced earthquakes doesn’t explain this distance, and how these findings may influence where we place injection wells in the future. In this month’s book podcast, Jen Golbeck interviews Judea Pearl and Dana McKenzie, authors of The Book of Why: The New Science of Cause and Effect. They propose that researchers have for too long shied away from claiming causality and provide a road map for bringing cause and effect back into science. This week’s episode was edited by Podigy. Download a transcript of this episode (PDF) Listen to previous podcasts. About the Science Podcast [Image: Jens Lambert, Shutterstock; Music: Jeffrey Cook]

We are in the middle of what some scientists are calling the sixth mass extinction and not all at-risk species can be saved. That’s causing some conservationists to say we need to start thinking about “species triage.” Meagan Cantwell interviews freelance journalist Warren Cornwall about his story on weighing the costs of saving Canada’s endangered caribou and the debate among conservationists on new approaches to conservation. And host Sarah Crespi interviews Hope Michelsen, a staff scientist at Sandia National Laboratories in Livermore, California, about mysterious origins of soot. The black dust has been around since fire itself, but researchers never knew how the high-energy environment of a flame can produce it—until now. Michelsen walks Sarah through the radical chemistry of soot formation—including its formation of free radicals—and discusses soot’s many roles in industry, the environment, and even interstellar space. Check out this useful graphic describing the soot inception process in the related commentary article. This week’s episode was edited by Podigy. Download a transcript of this episode (PDF) Listen to previous podcasts. About the Science Podcast [Image: Darren Bertram/Flickr; Music: Jeffrey Cook]

First, we hear Online News Editor David Grimm and host Sarah Crespi discuss audience favorites and staff picks from this year’s online stories, from mysterious pelvises to quantum engines. Megan Cantwell talks with News Editor Tim Appenzeller about the 2018 Breakthrough of the Year, a few of the runners-up, and some breakdowns. See the whole breakthrough package here, including all the runners-up and breakdowns. And in her final segment for the Science Podcast, host Jen Golbeck talks with Science books editor Valerie Thompson about the year in books. Both also suggest some last-minute additions to your holiday shopping list. This week’s episode was edited by Podigy. Download the transcript (PDF) Listen to previous podcasts. About the Science Podcast [Image: NASA Scientific Visualization Studio; Music: Jeffrey Cook]

The “dank” smelling terpenes emitted by growing marijuana can combine with chemicals in car emissions to form ozone, a health-damaging compound. This is especially problematic in Denver, where ozone levels are dangerously high and pot farms have sprung up along two highways in the city. Host Sarah Crespi talks with reporter Jason Plautz about researchers’ efforts to measure terpene emissions from pot plants and how federal restrictions have hampered them. Next, host Meagan Cantwell talks with Dana Small, a professor of psychiatry and psychology at Yale University, about how processed foods are perceived by the body. In a doughnut-rich world, what’s a body to think about calories, nutrition, and satiety? And in the first book segment of the year, books editor Valerie Thompson is joined by Erika Malim, a history professor at Princeton University, to talk about her book Creatures of Cain: The Hunt for Human Nature in Cold War America, which follows the rise and fall of the “killer ape hypothesis”—the idea that our capacity for killing each other is what makes us human. This week’s episode was edited by Podigy. Download the transcript (PDF) Listen to previous podcasts. About the Science Podcast [Image: Wornden LY/Flickr; Music: Jeffrey Cook]

Southern California’s famous Santa Anita racetrack is struggling to explain a series of recent horse injuries and deaths. Host Meagan Cantwell is joined by freelance journalist Christa Lesté-Lasserre to discuss what might be causing these injuries and when the track might reopen. In our second segment, researchers are racing to understand the impact of jailing people before trial in the United States. Host Sarah Crespi talks with Online News Editor Catherine Matacic about the negative downstream effects of cash bail—and what research can tell us about other options for the U.S. pretrial justice system. Last up is books, in which we hear about the long, sometimes winding, roads that food can take from its source to your plate. Books editor Valerie Thompson talks with author Robyn Metcalfe about her new work, Food Routes: Growing Bananas in Iceland and Other Tales from the Logistics of Eating. This week’s episode was edited by Podigy. *Correction, 1 April, 12 p.m.: A previous version of this podcast included an additional research technique that was not used to investigate the Santa Anita racetrack. Download the transcript (PDF)  Listen to previous podcasts. About the Science Podcast [Image: Mark Smith/Flickr; Music: Jeffrey Cook]

The ancient humans also known as the “hobbit” people (Homo floresiensis) might have company in their small stature with the discovery of another species of hominin in the Philippines. Host Sarah Crespi talks to Contributing Correspondent Lizzie Wade about what researchers have learned about this hominin from a jaw fragment, and its finger and toe bones and how this fits in with past discoveries of other ancient humans. Also this week, host Meagan Cantwell speaks with Florian Schiestl, a professor in evolutionary biology at the University of Zurich in Switzerland, about his work to understand the rapid evolution of the flowering plant Brassica rapa over the course of six generations. He was able to see how the combination of pollination by bees and risk of getting eaten by herbivores influences the plant’s appearance and defense mechanisms. This week’s episode was edited by Podigy. Ads on this week's show: Kolabtree.com and Magellan TV Listen to previous podcasts. About the Science Podcast [Image: Florian Schiestl; Music: Jeffrey Cook]

On this week’s show, Senior News Correspondent Jeffrey Mervis talks with host Sarah Crespi about a stalled Facebook plan to release user data to social scientists who want to study the site’s role in elections. Sarah also talks with Jennifer Gruhn, a postdoctoral research fellow at the University of Copenhagen Center for Chromosome Stability, about counting chromosomes in human egg cells. It turns out that cell division errors that cause too many or too few chromosomes to remain in the egg may shape human fertility over our reproductive lives. Finally, in this month’s book segment, Kiki Sanford talks with Daniel Navon about his book Mobilizing Mutations: Human Genetics in the Age of Patient Advocacy. Visit the books blog for more author interviews: Books et al. This week’s episode was edited by Podigy. Ads on this week’s show: MOVA Globes; The Tangled Tree by David Quammen Download a transcript (PDF) Listen to previous podcasts. About the Science Podcast  

Host Sarah Crespi talks with undergraduate student Micheal Munson from Baylor University in Waco, Texas, about a smartphone app that scans photos in the phone’s library for eye disease in kids.  And Sarah talks with Todd Roberts of the University of Texas Southwestern Medical Center in Dallas, Texas, about incepting memories into zebra finches to study how they learn their songs. Using a technique called optogenetics—in which specific neurons can be controlled by pulses of light—the researchers introduced false song memories by turning on neurons in different patterns, with longer or shorter note durations than typical zebra finch songs. This week’s episode was edited by Podigy. Ads on this week’s show: MOVA Globes; KiwiCo.com Download a transcript (PDF) Listen to previous podcasts. About the Science Podcast  

As the year comes to a close, we review the best science, the best stories, and the best books from 2019. Our end-of-the-year episode kicks off with Host Sarah Crespi and Online News Editor David Grimm talking about the top online stories on things like human self-domestication, the “wood wide web,” and more. News Editor Tim Appenzeller joins Sarah to discuss Science’s 2019 Breakthrough of the Year, some of the contenders for breakthrough, also known as runners-up, and a breakdown—when science and politics just didn’t seem to mix this year. Finally, Science books editor Valerie Thompson brings her favorites from the world of science-inflected media. She and Sarah talk about some of the best books reviewed in Science this year, a food extinction book we should have reviewed, a pair of science-centric films, and even an award-winning birding board game. For more science books, films, and games, visit the books et al blog at blogs.sciencemag.org/books. This week’s episode was edited by Podigy. Ads on this week’s show: Bayer; Lightstream; KiwiCo Download a transcript (PDF)  Listen to previous podcasts. About the Science Podcast

Contributing Correspondent Kai Kupferschmidt talks with host Sarah Crespi about countries planning a comeback from a coronavirus crisis. What can they do once cases have slowed down to go back to some sort of normal without a second wave of infection? See all of our News coverage of the pandemic here. See all of our Research and Editorials here. As part of a drought special issue of Science, Contributing Correspondent Lizzie Wade joins Sarah to talk about water management and the downfall of the ancient Wari state. Sometimes called the first South American empire, the Wari culture successfully expanded throughout the Peruvian Andes 1400 years ago. Also this week, Yon Visell of the University of California, Santa Barbara, talks with Sarah about his Science Advances paper on the biomechanics of human hands. Our skin’s ability to propagate waves along the surface of the hand may help us sense the world around us. This week’s episode was produced with help from Podigy. Listen to previous podcasts. About the Science Podcast Download a transcript (PDF).

Staff Writer Jon Cohen joins host Sarah Crespi to talk about using monoclonal antibodies to treat or prevent infection by SARS-CoV-2. Many companies and researchers are rushing to design and test this type of treatment, which proved effective in combating Ebola last year. See all of our News coverage of the pandemic here, and all of our Research and Editorials here. And Karen Holl, a professor of environmental studies at the University of California, Santa Cruz, joins Sarah to discuss the proper planning of tree-planting campaigns. It turns out that just putting a tree in the ground is not enough to stop climate change and reforest the planet. This week’s episode was produced with help from Podigy. Listen to previous podcasts. About the Science Podcast Download a transcript (PDF).

Language works as a dynamic democracy, not as rule by experts.