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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CRISPR is the genius behind innovations that seemed impossible a decade ago. Could you grow tomatoes with the kick of hot sauce or ferment wine that doesn't cause a hangover? That's just two of the things scientists are looking into.

By Joanna Thompson

Ever find yourself momentarily disoriented in a familiar place or encounter a friend who looks like a stranger? You could be experiencing jamais vu.

By Jennifer Walker-Journey

Requiring little care and upkeep, daffodils are bright, showy perennials that symbolize rebirth and new beginnings.

By Wendy Bowman


People often make vision boards at the start of the year. Some swear by vision boards for making their dreams come true. But is there any science to back that up?

By Alia Hoyt

If you engage in constant self-talk, it may surprise you that some people think in pictures instead or do nothing at all. And the number of people truly having an inner monologue may not be as great as you think.

By Nathan Chandler & Desiree Bowie

Viruses need hosts to replicate and reproduce. So if a virus has no host, how long can it survive? It depends on a lot of factors.

By Carrie Whitney, Ph.D.

While most flu sufferers moan and groan for about a week and then return to work, the flu season creates more than just discomfort and a costly loss of work days.

By Stephanie Watson


We hear about them on the news and we listen to politicians argue for and against them using them to treat disease. Learn all about stem cells and the research, challenges and controversy that surround them.

By Stephanie Watson & Craig Freudenrich, Ph.D.

Dozens of people are frozen in cryogenic storage facilities, waiting to be revived when science is able to cure whatever killed them. But if they're dead, is revival from a frozen state even possible? Find out.

By Stephanie Watson

Dreams combine verbal, visual and emotional stimuli into mystifying storylines. Should we bother to interpret them? Are they random brain impulses, or do they offer insight into our waking lives?

By Lee Ann Obringer & Yves Jeffcoat

Ever since I took biology in high school I have wondered -- why do humans (and plants and animals) have two of every gene, and why is one "dominant" and the other "recessive"? How does my body know which one is dominant? How does it pick between the


Evolution is fascinating because it attempts to answer one of the most basic human questions: Where did life, and human beings, come from? The theory of evolution proposes that life and humans arose through a natural process.

By Marshall Brain

The physical you is a result of your DNA, and your DNA is part of the human gene pool. Find out what the "gene pool" really is and what happens when it shrinks.

By Marshall Brain

HIV continues to be a major global public health issue, having claimed more than 35 million lives so far.

By Kevin Bonsor & Oisin Curran

Whether brain death is a result of cardiac arrest and lack of oxygen to the brain, or of a gunshot wound to the head, the diagnosis is the same. Learn what the term "brain dead" actually means.

By Leslie C. Olson


Given the choice, would you rather have been born with a different eye color, hair color or skin tone? Of course, you didn't have these options, but could you have them for your own children?

By Kevin Bonsor & Julia Layton

Every animal you can think of -- mammals, birds, reptiles, fish, amphibians -- all have brains. But the human brain is unique. It gives us the power to think, plan, speak and imagine.

By Craig Freudenrich, Ph.D. & Robynne Boyd

Hand sanitizers can only get you so far in preventing a viral infection. Scientists are discovering how visible light can be used to destroy viruses. Learn about the laser technique and what it means for the future.

By Jacob Silverman & Patrick J. Kiger

You may be familiar with the medieval "Black Plague," but did you know that bouts of plague still break out today? Find out what causes an outbreak, why plague still exists and how the plague has influenced history.

By Tracy V. Wilson & Alia Hoyt


Sleepwalking is an intriguing phenomenon. How can a person be unconscious but still coordinate his or her limbs? And how do we know when we're really awake?

By Katie Lambert

According to DNA research, we may all have a common ancestor, an African woman who lived thousands of years ago. How did scientists reach this conclusion? Is it even possible?

By Josh Clark & Desiree Bowie

If your eyes are the windows to your soul, then your face might just be the window to your DNA. An examination of your face shape could determine if you suffer from a genetic disorder.

By Josh Clark

How can spam e-mail help fight HIV? Find out how spam e-mail and HIV are linked and learn about new methods for HIV treatment.

By Josh Clark


Have you ever seen a baby with a tail? How about a whale with legs? Believe it or not, these things happen. They're called atavisms, and they might help us figure out evolution.

By Katie Lambert

You might think that not being able to feel pain would be a blessing. No tears, no painkillers, no lingering aches. But really, not being able to feel pain is dangerous.

By Katie Lambert