One cubic foot of gold weighs more than 1,200 pounds!
78
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
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The bark of an older redwood tree is fireproof.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101