Biological Fields

We're about to dive into the world of parasitology, taking a close look at one of the most common parasitic worms infecting humans: Ascaris lumbricoides. This large roundworm is responsible for a type of intestinal nematode infection that affects millions of people worldwide, especially in areas with poor sanitation.

By Mack Hayden

Jack Black does it. Wyclef Jean does it. And chances are, you do it, too. Everyone's a rock star in the bathroom. And there's a scientific explanation behind our soapy musical stylings.

By Debra Ronca

From tobacco smoke enemas to whirling chairs, doctors have tried almost everything to cure human disease.

By Maria Trimarchi

There's a great need for people to donate their bodies to science but not many people think about doing it. What happens to your body after you make that decision?

By Melanie Radzicki McManus

There are many myths and stigmas associated with leprosy, almost all completely incorrect. It's not a very contagious disease, and it's easily treatable. What else is wrong in the common beliefs about Hansen's disease?

By Maria Trimarchi

Heat waves are becoming supercharged as the climate changes. How hot is too hot for normal daily activity, even for young, healthy adults?

By W. Larry Kenney, Daniel Vecellio, Rachel Cottle & S. Tony Wolf

Distilleries call this evaporative substance "angel's share" and promise that it's not dangerous, but nearby residents find it coating everything around them and aren't so sure.

By Patty Rasmussen

Cousins are indeed complicated. Who's your first cousin once removed? What is a second cousin? And what are kissing cousins? We'll tell you.

By Jesslyn Shields & Austin Henderson

A funny thing happens when you live in complete darkness. You lose your eyesight. At least that's what's happened to the species that have evolved inside our deepest, darkest caves.

By Debra Ronca

How do we consider a Thing with no edge? Ecosystem ecologists are always trying.

By Jesslyn Shields

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 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

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

By Tara Yarlagadda

What are the chances there are still large, undiscovered animals on the planet? More likely than you might think.

By Diana Brown

On the surface, Antarctica may seem like a barren landscape. But underneath, in massive ice caves, life may be abundant.

By Amanda Onion

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.

By Patrick J. Kiger

They might look like piles of goop, but slime molds can think and seemingly make decisions without a brain.

By Jesslyn Shields

Bezoars are concretions found in the stomachs of animals that were once believed to cure poisoning and plague.

By Loraine Fick

For years, speculation has surrounded the government's high security animal disease research center, which is slated to close in 2023.

By Patrick J. Kiger

Horseshoe crabs have blue blood that can detect toxins, a rare ability that's threatening their survival.

By Loraine Fick

A strange, but surprisingly accurate, ancient Egyptian pregnancy test survived for millennia and was spread around Africa and Europe because it was just that effective.

By Jesslyn Shields