We share 70% of our DNA with a slug.
218
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Yawns are more contagious among people with closer relationships.
163
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Human hair and fingernails continue to grow after death.
7