Diamonds can be shattered with a hammer.
-104
Nearly 50% of the world's scientists are assigned to military projects.
71
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A ball of glass will bounce higher than a ball made of rubber.
73
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
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17