The strangers in your dreams are actually people that you've seen in real life.
50
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Only about 2% of the world population has green eyes.
36
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Your thumb is about the same size as your nose.
124