There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Your body is creating and killing about 2.4 million red blood cells per second.
17
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
4
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14