biology

Why it's so hard to cure HIV/AIDS

Why are some people left-handed?

How do dogs "see" with their noses?

The evolution of the human eye

The benefits of a good night's sleep

The secrets I find on the mysterious ocean floor

What are those floaty things in your eye?

How butterflies self-medicate

How a wound heals itself

Humble plants that hide surprising secrets

This gel can make you stop bleeding instantly

Why you should care about whale poo

What veterinarians know that physicians don't

What makes tattoos permanent?

Inside the ant colony

What humans can learn from semi-intelligent slime

How does your brain respond to pain?

How the heart actually pumps blood

Autism — what we know (and what we don't know yet)

Zombie roaches and other parasite tales

The loves and lies of fireflies

How animations can help scientists test a hypothesis

The secrets of nature's grossest creatures, channeled into robots

The hunt for "unexpected genetic heroes"

The case of the vanishing honeybees

Why do we cry? The three types of tears

How our microbes make us who we are

The mystery of motion sickness

Should we eat bugs?

How do we smell?

The loathsome lethal mosquito

Why is yawning contagious?

The uncertain location of electrons

A simple solution to the coming phosphorus crisis

The physics of human sperm vs. the physics of the sperm whale

The smelly mystery of the human pheromone