Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Most dust particles in your house come from dead skin.
48
The bark of an older redwood tree is fireproof.
65
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
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
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
Pumice is the only rock that floats on water.
14