It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
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
Only about 2% of the world population has green eyes.
36