The storage capacity of human brain exceeds 4 Terrabytes.
140
Cold water weighs more than hot water.
93
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 cubic yard of air weighs about 2 pounds at sea level.
31
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
A 'jiffy' is an actual unit of time for 1/100th of a second!
66