Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
A ball of glass will bounce higher than a ball made of rubber.
73
Diamonds can be shattered with a hammer.
-104
No matter how cold it gets, gasoline will not freeze.
107