Pumice is the only rock that floats on water.
14
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Scientists aren't sure what color dinosaurs were.
312
Your brain is 80% water.
525