The WD in WD-40 stands for Water Displacer.
30
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
Passengers on the Beijing subway can pay with plastic bottles.
29
Wearing red increases attraction.
30
A quarter has 119 grooves on its edge, a dime has one less groove!
34
The yin-yang pattern's earliest use is in Rome - not China!
125
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26