Your body is creating and killing about 2.4 million red blood cells per second.
17
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Cows can sleep standing up, but they can only dream lying down.
745
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
4
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The largest breed of rabbit is the Flemish Giant.
65