Life Science

One in three people consistently struggle through the autumn and winter months with a type of depression known as seasonal affective disorder (SAD). Here are some tips for dealing with it.

By Harriet Bowyer

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

Niels Bohr proposed the model of the atom that we still learn in school today, even though it's technically incorrect.

By Jesslyn Shields

This new form of sound therapy takes advantage of the fact that a different frequency in each ear yields a third frequency that can allegedly calm you down or improve your focus. Does it really work? Our writer tried it out.

By Alia Hoyt

We see faces in clouds, on buildings — heck, in grilled cheese sandwiches. But why is that? And how is this a help to our survival?

By Dave Roos

Alcoholism can be difficult to spot. Learn the difference between heavy drinking and alcoholism, how alcohol affects the body, what factors may lead to alcoholism and what treatments are available for this addiction.

By Stephanie Watson

What exactly is fear? In this article, we'll examine the psychological and physical properties of fear, find out what causes a fear response and look at some ways you can defeat it.

By Julia Layton

Twins are unique people who are also eerily similar to each other. Do twins really have ESP? Learn how twinning happens and what types of twins are out there.

By Katherine Neer

Poison ivy is often very difficult to spot. But if you come into contact with it, you'll soon know by the itchy, blistery rash that forms on your skin. Learn how poison ivy causes that rash, and how to get rid of it.

By Stephanie Wilson

If you've kept up with the news lately, you've probably heard dire warnings about avian flu, or bird flu. In this article, we'll review the basics of how viruses and influenza work, and we'll learn the answers to these and other questions about avian flu, including whether it is likely to cause a global flu epidemic.

By Tracy V. Wilson

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

In this article, we'll look at laughter -- what it is, what happens in our brains when we laugh, what makes us laugh and how it can make us healthier and happier. You'll also learn that there's a tremendous amount that no one understands yet.

By Marshall Brain

There is a good chance that if you go to the grocery store and buy a bunch of grapes that they will be of the seedless variety. If the grapes are seedless, how are they able to produce new grapes? Find out the answer to that question in this article.

Your co-worker just yawned in a meeting, and now everyone on his side of the table is yawning, too. Learn about what might've caused him to do it in the first place and why you're likely to yawn right along with them.

By Melanie Radzicki McManus

How can the grass on the greens at a golf course be so perfect? What are they doing that's different from a normal lawn? Could my lawn look like this?

By Austin Henderson

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

Collective hysteria can spread when a fear exists of exposure to a disease, combined with a contained environment. Learn more about collective hysteria works.

By Jacob Silverman & Austin Henderson

Many old couples tend to look like each other due to shared life experiences, according to a recent study. Learn more about why older couples look alike.

By Jacob Silverman

The human body is composed of about 10 trillion cells. Everything from reproduction to infections to repairing a broken bone happens down at the cellular level. Find out all about cells.

By Marshall Brain

How does hemp work? What do rope and "organic clothes" and drugs have to do with each other?