Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The lifespan of mammals is about 1 and a half billion heartbeats.
127
A cat can jump FIVE TIMES as high as it is tall!
371
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16