Life Science

Commensalism is a form of cooperation among species in which one species benefits from another without the first one suffering any harm from the relationship.

By Jesslyn Shields

The part of your cells that helps you recover from a hangover is shaped like a maze of tubes and is made of two parts - the rough endoplasmic reticulum and the smooth endoplasmic reticulum.

By Jesslyn Shields & Yara Simón

It's one of those words that might remind you of certain gender-bending musicians from the '80s, but what does it mean today?

By Michelle Konstantinovsky

The Kobayashi Maru simulation puts future Starfleet commanders in a classic "no-win" scenario. It's so accurate, even the U.S. military uses the exercise to test the measure of a good leader.

By Mark Mancini

Whether you're a procrastinator or a workaholic, you can improve your time management. How? With a timer, scheduled breaks and some serious discipline.

By Carrie Whitney, Ph.D.

Phrenology, the belief that you could determine personality from the shape of someone's skull, was so popular in the Victorian era that phrenology parlors sprang up all over Europe and America. But the trend was soon debunked.

By Jennifer Walker-Journey

Heuristics are rule-of-thumb strategies that help us shorten decision-making time and solve problems quickly and effortlessly.

By Michelle Konstantinovsky

Centrioles are spindles that create the pathways for chromosomes to follow during cell division.

By Jesslyn Shields

The nitrogen cycle is the system by which nitrogen is converted into different chemical forms, some usable to humans and animals and some not, as it circulates among the atmosphere, the land and the oceans.

By Jesslyn Shields

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

Hundreds of crops in developing countries are relatively unknown in the developed world because they're often hard to grow or export. But scientists have found that CRISPR editing can speed up traditional plant breeding techniques.

By Dave Roos

Machines can translate some of the biological functions of plants into synthesizer sounds. But are these synthesized translations the same thing as music?

By Jesslyn Shields

Countless superhero movies have been released in the past decade, playing to our fascination with people with higher than usual abilities. But what if people really could have superpowers like those portrayed in the movies, thanks to the inheritance of so-called super genes?

By Diana Brown & Sascha Bos

A new study shows that mothers prefer daughters and fathers prefer sons, regardless of economic background, contradicting an earlier well-known hypothesis.

By Alia Hoyt

You could call dopamine the most misunderstood neurochemical in the brain. It's allegedly the cause of people getting addicted to drugs, chocolate or video games. But what does really dopamine do?

By Patrick J. Kiger

At least not in nature. Scientists have discovered the two gene families that play key roles in making fruits and vegetables either round or long. Could a square fruit be on the horizon?

By Dave Roos

The more we research our closest extinct human ancestor, the more we realize how similar we were. But could we have shared a joke?

By Jesslyn Shields

Researchers are calling for a new "Noah's Ark" to store microbes that might one day be valuable.

By Chris Opfer

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

By Tara Yarlagadda

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