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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5 True Stories of Twins Separated at Birth

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?

Your First Memory Is Probably Fiction

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.

Earth's Oldest Color Was Pink

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.

Otzi the Iceman Ate a High-fat Last Meal

Researchers say that Otzi, the ancient man found in the Alps in 1991, lived on a diet loaded with fat to maintain warmth and energy in his cold, high-altitude environment.

Why Walking Through Doorways Makes Us Forget

Ever walked from your kitchen to the living room to find your phone and then forgotten what you were looking for once you got there? Researchers think your brain is hard-wired to undergo precisely that process of forgetting.

Research Confirms It: We Really Are Getting Dumber

A new study shows that IQ levels have been falling since 1975, reversing a 20th-century trend.

Fireweed: The Pink Pioneer

Like a phoenix from the ashes, fireweed is the first thing to sprout, helping reestablish areas decimated by fire and deforestation.

Giant Hogweed's Sap Can Give You Sunburn

The towering, invasive giant hogweed has been discovered in Virginia, and residents are understandably concerned.

Are Men or Women Better Navigators?

Researchers at the University of California finally have a scientific answer to this ages-old battle.

Epically Tough Baobab Trees Dying Off in Africa

Nine of the 13 oldest baobab trees researchers examined over the past 12 years have died. What's killing off these majestic trees?

Europe's Oldest Tree Is Still Growing

Germinated in medieval times, the pine named Italus now holds the record as Europe's oldest tree.

Do Rainy Days Really Get You Down?

Dark, cloudy skies and the drumbeat of raindrops on our windows tend to make people feel sad and forlorn, or at least that's what we have come to assume.

Panspermia: Did Alien Seeds Cause Life to Explode on Earth?

A group of scientists are suggesting that panspermia may be responsible for the Cambrian Explosion millions of years ago – the time when most major animal groups appear in the fossil record.

No More Sweet Tooth? Science Turns Off Sugar Cravings in Mice

Could manipulating the human brain's desire for sweet foods lead to new weight control methods and better treatments for eating disorders?

NASA Twins Study Being Replicated on Everest

A NASA study of astronaut Scott Kelly showed that spending time in space altered the expression of some of his genes. But does being on a mountain cause similar effects?

Mysterious New DNA Structure Found in Living Human Cells

In addition to the double-stranded spiral, a four-stranded tangle, known as an i-motif, has been shown to exist throughout our genetic material.

10 Child Prodigies

Some kids have a lot of talent in music, art or math. Then there are those who are gifted beyond belief.

The Benefits of Talking About Yourself in the Third Person

What do Donald Trump, Bob Dole and LeBron James have in common? A tendency to talk about themselves in the third person. But is it just egotism or is there a hidden benefit to saying your name rather than "I"?

Medieval Coffin Yields Fascinating Skeleton

A woman who gave birth posthumously also had a hole in her skull from a procedure to treat a pregnancy-related complication.

Colombia, Not Finland, May Be the Happiest Country in the World

The Scandinavian countries tend to come out on top in the World Happiness Report. But the report doesn't actually ask participants if they're happy. When that question is included, the country rankings are quite different.

Chimerism: You Can Be Your Own Twin

Tetragametic chimerism occurs when a single organism has two genetically distinct types of DNA.

Understand? Your Brain Signals Will Tell

And that might make it kind of tricky to pretend you're paying attention.

Scientists Working on a Periodic Table for Ecology

An ecological periodic table could help scientists predict what will happen as climate change forces ecosystems to evolve. But is such a thing possible?

Science Moves Closer to Explaining the 'Angry Drunk'

Why do some people become more aggressive, even violent, after they've had a few drinks?

Neanderthals Were Actually Prehistoric Picassos

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.


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