If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46