Sunflowers can be used to clean up radioactive waste.
17
Tigers can see 6 times better at night than humans.
305
The reindeer is the only mammal that can see UV light.
17
A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
225
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
A bag of marijuana was the first thing ever bought and sold over the internet.
22
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8