Your body is creating and killing about 2.4 million red blood cells per second.
17
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 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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34