Even the mighty T. rex was covered in creepy, crawly parasites.

Rabies may have lead to legends of werewolves, vampires, and zombies.

These frogs can have up to TEN back legs.

I ate a lot of bugs...and (mostly) liked them.

What should you do with the borax you have leftover from making slime?

How does lead damage our brains—and what can we do to stop it?

Bees get more than just nectar from the flowers they visit.

These extinct frogs used to barf up their babies.

The plant Hydnora africana is a parasite that smells foul...

Your gross earwax can reveal a ton about who you are.

Fear may be able to spread from person to person—just like a virus.

You swallow a ton of snot every single day. Welcome to the gross world of mucus.

It's called the "Wood Wide Web."

Meet the most versatile butts in the animal kingdom.

Santa's reindeer just got a whole lot more interesting.

Bird poop could help clouds form, keeping our planet a little bit cooler. Gross!

What should you do with stinky old fish skins? How about powering your cellphone?

If you're attacked you could run away, fight back...or you could barf. Gross!

You can help a special snail find a mate—while also helping scientists unravel a mystery.

Ant language sounds wacky—and can be hacked.

How do you get rid of skunk odor? Don't use tomato juice... use chemistry!

It's called "coprophagia," and lots of dogs do it.

Inbreeding...It's hugely taboo for us, but lots of organisms do it.

Listeria turns your own cells against you.

Figs aren't exactly fruits...but that's not the only bizarre thing about them.

The latest clinical trials for poop pills that can fight a gut infection failed.

The way the sun damages your skin is weirder than you ever thought.

Here are four ingenious ways carnivorous plants catch their prey.

Sea turtles can get herpes. And human pollution might be making their flare-ups worse.

Science has historically ignored females, whether they're insects, lab rats, or humans.

The priciest fungus in the world is a parasite that grows from a caterpillar’s head.

The stereotype of the "lazy Southerner" may have been caused by hookworm infection

Thanks for watching me make a fool of myself for one whole year!

Knowing more about periods is important for everyone’s health.