The strangers in your dreams are actually people that you've seen in real life.
50
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cows can sleep standing up, but they can only dream lying down.
745
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
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