The strangers in your dreams are actually people that you've seen in real life.
50
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
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
Only about 2% of the world population has green eyes.
36
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21