The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The strangers in your dreams are actually people that you've seen in real life.
50
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154