Watch Episode Dinosaur Parasites! S2 E37 / 2m 43s Even the mighty T. rex was covered in creepy, crawly parasites.
Watch Episode What Happens When You Get Rabies? S2 E36 / 4m 59s Rabies may have lead to legends of werewolves, vampires, and zombies. And while it’s preventable, it still plagues around 60,000 people a year.
Watch Episode Why Does This Frog Have So Many Legs?! S2 E35 / 2m 42s These frogs can have up to TEN back legs.
Watch Episode The Case For Eating Bugs S2 E34 / 3m 59s I ate a lot of bugs...and (mostly) liked them.
Watch Episode Grow Your Own Crystals! S2 E33 / 3m 31s What should you do with the borax you have leftover from making slime? Use it to make crystals!
Watch Episode What Does Lead Poisoning Do To Your Brain? S2 E32 / 4m 46s How does lead damage our brains—and what can we do to stop it?
Watch Episode Are Bees the Addicts of the Animal Kingdom? S2 E31 / 4m 16s Bees get more than just nectar from the flowers they visit. Sometimes they also get a sip of caffeine, nicotine, or alcohol.
Watch Episode Meet The Frog That Barfs Up Its Babies S2 E30 / 4m 46s These extinct frogs used to barf up their babies—and now scientists are trying to bring them back from the dead. Happy Mother’s Day!
Watch Episode The Strangest Plant In The World?! S2 E28 / 4m 5s The plant Hydnora africana is a parasite that smells foul...and that’s not even the weirdest thing about it.
Watch Episode What Your Earwax Says About You S2 E27 / 3m 42s Your gross earwax can reveal a ton about who you are, where you’ve been, and how stinky you are.
Watch Episode Is Fear Contagious? | Gross Science S2 E26 / 5m 24s Fear may be able to spread from person to person—just like a virus.
Watch Episode Everything You Didn't Want To Know About Snot S2 E25 / 4m 25s You swallow a ton of snot every single day. Welcome to the gross world of mucus.
Watch Episode Sea Cucumbers Have Multipurpose Butts S2 E23 / 3m 13s Meet the most versatile butts in the animal kingdom.
Watch Episode The REAL Rudolph Has Bloody Antlers and Super Vision S2 E22 / 4m 26s Santa's reindeer just got a whole lot more interesting.
Watch Episode Can Bird Poop Make Clouds? S2 E21 / 3m 49s Bird poop could help clouds form, keeping our planet a little bit cooler. Gross!
Watch Episode Electronics Powered by Fish Scales S2 E20 / 3m 19s What should you do with stinky old fish skins? How about powering your cellphone?
Watch Episode Defensive Vomiting S2 E19 / 2m 48s If you're attacked you could run away, fight back...or you could barf. Gross!
Watch Episode Help a Snail Find True Love! S2 E18 / 3m 39s You can help a special snail find a mate—while also helping scientists unravel a mystery.
Watch Episode What Sound Does An Ant Make? S2 E17 / 3m 15s Ant language sounds wacky—and can be hacked.