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Gross Science
What Really Causes Cavities?
Season 1
Episode 39
Hate going to the dentist? Keep the millions of microbes in your mouth happy.
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3:00
See the creatures living in a puddle using your phone, poster tack, and a laser pointer.
2:22
Does it seem like every year you get sick the minute you start your vacation?
2:54
You can make glow-in-the-dark slime with common household items—and learn some really cool
3:20
Baby koalas eat their mom's poop... and that's just the beginning.
2:44
Germs can travel way farther than you might think.
2:20
Vultures have a number of traits that allow them to eat the grossest stuff.
3:47
Meet your necrobiome: The microbes that feast on your body after death.
2:45
What is lurking in the bathroom?
3:40
Poop is a great source of fertilizer, heat, and electricity.
2:42
Avoiding your tetanus shot? Here’s why that might be a bad idea.
2:39
Doctors have been slicing into eyeballs for over 2500 years.
3:09
We can use urine to make medicines, power cell phones, and create “pee-cycled” water.