Life Science

From the smallest microbe to the largest mammal, Life Science explores the origins, evolution and expansion of life in all its forms. Explore a wide range of topics from biology to genetics and evolution.

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ASMR has become a pop phenomenon and scientists are trying to figure out why some people love those tingling-inducing videos and others can't stand them.

By Nathan Chandler

For years, speculation has surrounded the government's high security animal disease research center, which is slated to close in 2023.

By Patrick J. Kiger

Amanita phalloides is non-native to the North American continent, introduced to California from Europe, and rapidly spreading.

By Tara Yarlagadda

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Researchers from Penn State University College of Medicine suggest that a shared circuit in the brain could be one reason why heavy drinking and high-fat 'junk food' cravings go hand in hand.

By Michelle Konstantinovsky

Australia's western coast boasts such pink wonders. But what gives these lakes their pink hue?

By Tara Yarlagadda & Austin Henderson

Does everyone have a double out there somewhere that they don't know about? Science says the odds are pretty slim.

By Alia Hoyt

It's easy to equate Caucasian with white. But the word Caucasian touches on issues deeper than skin color. HowStuffWorks looks at its true meaning.

By John Donovan & Austin Henderson

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While researchers can't say from this small study whether hairy men are inherently germier than the rest of the human race, the results are startling.

By Michelle Konstantinovsky

Ever had a "woulda, shoulda, coulda" feeling about something? It's called regret. What really triggers this emotion - and can we trust it?

By Dave Roos

Horseshoe crabs have blue blood that can detect toxins, a rare ability that's threatening their survival.

By Loraine Fick

It's not just your imagination - people feel freer to bail out on others at the last minute than they used to. But why?

By Danielle Douez

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Scientists have found that ancient fossilized chlorophyll was dark red and purple in its concentrated form, which means that when diluted by water or soil, it would have lent a pink cast to earth and sea.

By Laurie L. Dove

Is your first memory of lying in a crib? You may want to revisit that. A new large study found that nearly 40 percent of participants had a first memory that was improbably early.

By Alia Hoyt

What happens when twins are reunited decades later? And how in the world can you explain separated twins giving their firstborn son or their family dog the same exact name?

By John Donovan

Roller coaster junkies rejoice: Riding these coasters could be a safe way to deal with your addiction to endorphins.

By Alia Hoyt

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A strange, but surprisingly accurate, ancient Egyptian pregnancy test survived for millennia and was spread around Africa and Europe because it was just that effective.

By Jesslyn Shields

The noises that others make - be it walking, chewing or breathing heavily - are very noticeable to us. Yet we seldom hear it in ourselves. Why is that?

By Alia Hoyt

New research shows that homo sapiens weren't the first folks to decorate their caves with artwork. Neanderthals actually did it thousands of years earlier.

By Alia Hoyt

The same characteristics that help turn songs into earworms also help our brains store important bits of information. Why does the human brain love mad rhymes?

By Laurie L. Dove

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Thinking allows us to solve problems, plan ahead and defend ourselves from outside threats. It's what separates us from "lower" life-forms like plants, right? Well, maybe not.

By Laurie L. Dove

Though they may be stuck in one place, plants have proven to possess a surprising array of capabilities. But the ability to feel pain? Scientists are learning that the possibility isn't as crazy as it sounds.

By Laurie L. Dove & Desiree Bowie

Were hobbits and giants real? And are they distant relatives of humans?

By Diana Brown

An interesting defense mechanism recently observed in tomato plants has caterpillars turning on themselves rather than remaining vegetarian.

By Laurie L. Dove

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It happens to politicians, beauty queens and regular folks. Brain farts, that is. But, why?

By John Donovan

There are a lot of ways mental real estate can be allocated. Neanderthals evolved their big brains in a different way than we did - and you see where that got them.

By Jesslyn Shields