Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
A ball of glass will bounce higher than a ball made of rubber.
73
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Diamonds can be shattered with a hammer.
-104
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199