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Gross Science
Three Facts About Periods
Show title: Gross Science
Video title: Three Facts About Periods
Video duration: 5m 14sVideo description: Knowing more about periods is important for everyone’s health.
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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.
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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!
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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?
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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.
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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!
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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.
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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.
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Is Fear Contagious? | Gross Science
S2 E26 / 5m 24s
Fear may be able to spread from person to person—just like a virus.
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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.
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Sea Cucumbers Have Multipurpose Butts
S2 E23 / 3m 13s
Meet the most versatile butts in the animal kingdom.
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The REAL Rudolph Has Bloody Antlers and Super Vision
S2 E22 / 4m 26s
Santa's reindeer just got a whole lot more interesting.
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![](http://image.pbs.org/video-assets/pbs/gross-science/253469/images/mezzanine_311.jpg?resize=410x)
Can Bird Poop Make Clouds?
S2 E21 / 3m 49s
Bird poop could help clouds form, keeping our planet a little bit cooler. Gross!
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![](http://image.pbs.org/video-assets/pbs/gross-science/249590/images/mezzanine_649.jpg?resize=410x)
Electronics Powered by Fish Scales
S2 E20 / 3m 19s
What should you do with stinky old fish skins? How about powering your cellphone?
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![](http://image.pbs.org/video-assets/pbs/gross-science/247295/images/mezzanine_250.jpg?resize=410x)
Defensive Vomiting
S2 E19 / 2m 48s
If you're attacked you could run away, fight back...or you could barf. Gross!
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![](http://image.pbs.org/video-assets/y4AQCxL-asset-mezzanine-16x9-9ihSDx0.jpg?resize=410x)
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.
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