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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They call kudzu the plant that ate the South for a reason. How did this leafy green legume make its way here all the way from Asia, and how has it managed to devour entire buildings?

By Victoria Vogt

So you're at a family dinner, and your uncle stands up and dramatically announces that he has a brain tumor. How does he know? Because he researched his frequent headaches on the Internet.

By Emilie Sennebogen

Happiness is a wonderful thing. Unfortunately, it can also be elusive due to stress or depression. However, strategies abound that you can use to trick yourself into being happy. Ready for 10 of them?

By Josh Clark & Jessika Toothman

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We need food for sustenance and nutrition, but we also eat for pleasure. We like the way some things taste, and enjoy the experience of eating, but can food actually make us happy?

By Josh Clark

Clowns might seem to have more foes than friends, but these entertainers are a key part of laughter therapy in hospitals. There is increasing evidence that a few hearty chuckles can help you along the road to recovery.

By Molly Edmonds

Traditional psychology has proven effective in studying and treating mental illness. However, some in the field want to study what makes patients happy instead of what makes them miserable.

By Josh Clark

Exercise, hot peppers, sex: All of these things are said to give you an endorphin rush. What's the science behind this chemical high -- and how do you keep it going?

By Tom Scheve

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While HeLa cells have been star players in medical research for decades, the woman behind them remained in the shadows for years. Discover the amazing story of Henrietta Lacks and her immortal cells in this article.

By Shanna Freeman

Newly minted parents do it. Night-shift workers do it. Men and women in the service do it, too. Could you trade a continuous stretch of sleep for a bunch of naps throughout the day, too?

By Danny Bonvissuto

You've been looking forward to your European vacation for months. But the first few days of your trip, you're grouchy, exhausted and brain dead. Is there some way to prevent or cure jet lag?

By Patrick J. Kiger

Wouldn't it be nice to grow crops that grew 50 percent more than current varieties? How about a strain of vegetables that were safe from insects without using pesticides? Agricultural biotechnology can do that.

By Jonathan Strickland & Austin Henderson

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Since Charles Darwin published the theory of evolution by means of natural selection, myths and misinterpretations have eroded public understanding of his ideas. Ready to take another look at one of the related questions that just won't die?

By William Harris & Sascha Bos

Everyone cries. For some it's an emotional response, while others just shed tears when chopping onions. Are tears a way for us to cleanse our bodies?

By Alia Hoyt

E=mc2. The theory of relativity. An understanding of the speed of light. These ideas all came from the brain of one man: Albert Einstein. But what happened to his brain after he died?

By Molly Edmonds

It's safe to say that no one particularly wants an ice pick through the eye socket. And yet, for years, people who were mentally ill or merely "difficult" had parts of their brains removed this way. The natural question: Why?

By Shanna Freeman

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You yearn to peer out the window of an SUV and watch a Tyrannosaurus rex lumber into a clearing. Your home movie of said event would be a YouTube sensation. Could it ever happen?

By Robert Lamb

Depending on whom and when you ask, everything from same-sex smooching to punk music portends the end of Western civilization. Do any of these cultural commentators have a case?

By Robert Lamb

A new global report says 1 million species are at risk of extinction — the greatest number in human history.

By Jonathan Strickland

Are genetically modified organisms (GMOs) really bad for the environment and your health or just victims of bad publicity? We'll look at the pros and cons of this controversial subject.

By Patrick J. Kiger

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Humans can certainly claim some of these, but sloths, giraffes and pandas wanted a piece of the action, too. The hyena adaptation, however, may just blow your mind.

By Kate Kershner

We often throw around the word "insanity" for acts that seem to have no rational explanation (like a teacher giving an insanely difficult test). Legally speaking, though, it's actually a narrow term that's very difficult to prove in court.

By Chris Opfer

Odd as it may seem, many antidepressants like Zoloft having warning labels about increases in suicidal thoughts. Why would that be? And how will you know if your medication is actually working?

By Laurie L. Dove

Think of goosebumps as 'skin orgasms' that are caused by unexpected and pleasant experiences. You know you get them when you're cold, but what is going on in our brains that triggers them?

By Jennifer Walker-Journey

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Mangroves provide a habitat for wildlife such as fish, birds, deer and insects. They also stabilize shorelines, protect against storm surges and improve water quality. What's not to love?

By Stephanie Parker

Snake plants are attractive and virtually ironclad houseplants, almost impossible to kill, though some of the hype about them acting as air purifying filters has been overblown.

By Jesslyn Shields