Sound travels about 4 times faster in water than in air.
408
Sound travels fifteen times faster through steel than through air.
134
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13