Parents receive 1 out of every 5 Valentines.
20
Yawns are more contagious among people with closer relationships.
163
Thinking in a foreign language makes decisions more rational.
6
Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
33
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Lobsters have blue blood.
476
You can't plow a cotton field with an elephant in North Carolina.
329