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Gross Science
Why Get Your Tetanus Shot?
Season 1
Episode 27
Avoiding your tetanus shot? Here’s why that might be a bad idea.
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See the creatures living in a puddle using your phone, poster tack, and a laser pointer.
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3:40
Poop is a great source of fertilizer, heat, and electricity.
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.