The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
According to studies, men change their minds two to three times more often than women.
72
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
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
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75