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Researchers may have found world's oldest optical illusion

Experts of Paleolithic art in France say some cave drawings have a reoccurring theme.



  • Arts & Culture

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11 Christmas traditions we don't have in the U.S.

In which we reveal that charming Swedish girls wear lightbulb crowns and Austrian men dress like furry devils.



  • Arts & Culture

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Too many unread books? You have an 'antilibrary,' and that's a good thing

Even if you haven't read some of the books in your library, they are still doing you good.



  • Arts & Culture

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Dr. Seuss may have modeled the Lorax after these real-life monkeys

The author wrote most of 'The Lorax' while visiting an ecosystem inhabited by orange, mustachioed patas monkeys.



  • Wilderness & Resources

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Other animals have 'human' emotions, too

Animal emotions can be surprisingly similar to ours, primatologist Frans de Waal explains in a new book, especially in our fellow mammals.




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Crude oil prices have dropped, so why is gasoline still so expensive?

If there's plenty of product on the market, gas prices should be falling. Here's some reasons why they aren't.




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What if we could have a 261-mpg VW in the U.S.?

The ultra-efficient XL1 is on the market, but only in Europe. A 4-seat XL2 could come here at a lower price. Should Elio be worried?




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Burger King takes soda off the kids' menu, but parents still have the final say

Changes on fast-food menus are a step in the right direction, but the task of finding healthy food falls to parents.




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You don't have to be a guilt tipper

Tablet-style pay systems are convenient, but they put a new pressure on customers to tip because of the server's proximity. My suggestion: Stand your ground.




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Scientists may have found the ultimate food preservative, and it's entirely plant-based

The end of artificial preservatives may be near — thanks to the power of plants and phytonutrients called flavanoids.



  • Research & Innovations

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Static may have caused Hindenburg disaster

A team of experts say the deadly explosion was caused by a buildup of static electricity after flying through a thunderstorm.




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Scientists find mysterious galaxies that don't have any dark matter

19 newly discovered dwarf galaxies are missing dark matter.




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Do black holes have friends?

Scientists say there may be a second black hole lurking at the heart of our galaxy.




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When you have 5 generations under one roof, the club sandwich metaphor has to grow up

Multi-generation living may get even more multi-generational if current demographic trends — like boomers aging — continue.



  • Remodeling & Design

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DOE: Fridges must have smaller carbon footprints

Although refrigerators continue to grow in size and become more tricked out, new standards will also require them to be drastically more energy efficient.




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Woman who created safe haven for 97 dogs in her home during Hurricane Dorian gets help

When Hurricane Dorian hit the Bahamas, this rescuer opened her home to nearly 100 dogs.




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Why I'll never have a lawn again

I didn't realize what a dead zone the lawn is until I lived in a meadow.



  • Organic Farming & Gardening

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Darwin may have been wrong about the origin of life on Earth

New research suggests life on Earth sprang from geothermal vents in the deep ocean.



  • Research & Innovations

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Why doesn't the FDA have more control over the safety of beauty products?

FDA issues rare warning after 21,000 people suffer an adverse reaction to Wen hair care product.



  • Fitness & Well-Being

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Reports of negative health reactions to cosmetics have doubled in the last 2 years

The number of negative health reactions to cosmetic products reported to the FDA has skyrocketed, with the majority of complaints coming for hair products.




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Why do purple martins have such big houses?

Purple martins love tall, condo-style houses that can host a crowd.




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Nearly 3 billion birds have disappeared from North America since 1970

Study finds U.S. and Canada have lost 29% of birds in past 50 years.




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Birds and bats have strange gut bacteria, and it might help them fly

BIrds and bats don't seem to rely on their gut bacteria for the same things we do.




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Flu season will likely have a mild peak in February

This flu season will likely peak in February and could be a mild one, according to a new predictive model.



  • Fitness & Well-Being

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When chimpanzees leave research labs, they often find a home at Chimp Haven

Chimp Haven sanctuary has new open-air corral for climbing, playing and exploring.




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What is synesthesia and what's it like to have it?

Synesthetes can taste sounds, smell colors or see scents, and research proves these people experience reality differently.



  • Fitness & Well-Being

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Why do we have earwax?

There are ways to get rid of earwax that don't involve cotton swabs.



  • Fitness & Well-Being

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This is why you always have room for dessert

You may think you're stuffed, but sugar has a way of making more space in your stomach, Norwegian researchers discover.




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Do you have to modify a diesel engine to run it on vegetable oil?

Anything with a diesel engine -- plane, boat, motorcycle -- can run on diesel, straight vegetable oil or biodiesel.




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5 invasive species that may have won the war

Is it time to throw in the towel on the fight against these invasive foes? Here are some non-native species that humans just can't seem to beat.



  • Wilderness & Resources

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I'm Max Brooks, and I have a lot I want to say

A freewheeling conversation with the 'World War Z' author on Bear Grylls, Rambo and the 'Casablanca' musical his 10-year-old son is writing.



  • Arts & Culture

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Dogs with wheel carts still want to have fun

Thanks to doggie wheel carts, these canines are able to get around without the use of their back legs. Watch them fetch, play and cavort!




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This ad will have you air drumming in no time

A Christmas commercial from British retailer Argos inspires both parents and kids to dream big.



  • Arts & Culture

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​You may not have hit your creative peak yet

There are two types of creative peaks, and they occur at different ages, combating the idea that the fires of creativity burn out after your youth.



  • Arts & Culture

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Viruses may have evolved to go easier on women than men

New research shows that viral infections can evolve to affect men worse than women because the viruses consider women to be more valuable hosts.



  • Fitness & Well-Being

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Dogs really are 'the best people,' and we have the photos to prove it

Belinda Richards captures pet personalities and turns them into art.




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To fight climate change, we may have to return to the age of airships

New research suggests zeppelins could replace cargo ships at a fraction of the pollution.



  • Climate & Weather

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Climate change may have been the one thing Vikings truly feared

Vikings endured a cold-weather catastrophe and may have left a warning on the Rök stone.



  • Climate & Weather

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How to get a more sustainable shave

From old-school safety razors to homemade shaving cream, cut waste from your shaving routine with these environmentally friendly (and budget-friendly) options.



  • Natural Beauty & Fashion

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Should Americans have to choose between health care and a smartphone?

Health care is essential, but so is a smartphone if you want to get a job or even sign up for health care ... despite what Jason Chaffetz says.



  • Gadgets & Electronics

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MIT's Mini Cheetah robots just want to have fun

MIT's Biomimetics department releases video of Mini Cheetah robots frolicking in the leaves.



  • Gadgets & Electronics

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Ants have a brilliant strategy for determining friend from foe

Ants determine if a newcomer is a friend or foe based on how certain chemical markers are decoded in their brain — and getting along is the default setting.



  • Research & Innovations

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Mitsubishi Heavy Industries Ltd. and Bombardier Inc. have agreed on a June 1, 2020 closing date for the transaction pertaining to the acquisition of Canadair Regional Jet Program.<br />-- Program to be operated under new name of MHI RJ Aviation Grou

Tokyo, May 7 (Montreal, May 6), 2020 – Mitsubishi Heavy Industries, Ltd. (MHI) (TOKYO:7011) and Bombardier Inc. (Bombardier) (TSX: BBD.B) of Canada have agreed that all closing conditions have been met and the transaction pertaining to the acquisition of Canadair Regional Jet (CRJ) Program will close on June 1, 2020. The Program will be operated under the newly created group entities of MHI RJ Aviation Group (MHIRJ) and will commence upon closing.




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Do I have a cold, the flu or something else?

You feel horrible with a cold, the flu or coronavirus, but there are some differences.



  • Fitness & Well-Being

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What does proximity to fast food have to do with longevity?

A new study looks at the community factors behind the dip in American life expectancy.



  • Fitness & Well-Being

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Why phone calls have made a comeback

During the coronavirus pandemic, we're making phone calls again so we can hear familiar voices.



  • Fitness & Well-Being

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It&#39;s a bad time to be a bee, but it doesn&#39;t have to be

2014 was a rough year for U.S. honeybees, according to a new federal survey. Here's how you can help out your local pollinators.



  • Organic Farming & Gardening

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Why vanilla prices have gone nuts

The vanilla crop is getting hammered by low yields, climate change, speculation and theft.




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Will a &#39;Day Without A Woman&#39; have an impact?

On March 8, International Women's Day, women around the U.S. plan to go on strike.




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How WildArk is saving biodiversity, one safe haven at a time

WildArk wants to inspire action that encourages conservation action and community engagement.



  • Wilderness & Resources