Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The average IQ is 100, while 140 is the beginning of genius IQ.
140
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
"Strategic incompetence" is the art of avoiding certain tasks by pretending you don't know how to do them.
16
An iceberg contains more heat than a lit match.
73
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
Couples' personalities converge over time to make partners more and more similar.
235
The strangers in your dreams are actually people that you've seen in real life.
50