If the chemical sodium is dropped into water it will immediately and violently explode.
67
The bark of an older redwood tree is fireproof.
65
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Scientists aren't sure what color dinosaurs were.
312
The storage capacity of human brain exceeds 4 Terrabytes.
140