Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
A sneeze travels out your mouth at over 100 m.p.h.!
29
Standard paper cannot be folded in half more than 7 times.
232
It's impossible to kill yourself by holding your breath.
22
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
If the human eye was a digital camera, it would have 576 megapixels.
25
The face of a penny can hold about thirty drops of water.
85
Group "brainstorming" makes each individual in the group less creative and doesn't work as efficiently as the same number of people working alone and then later pooling their ideas.
10