The human brain uses approximately as much energy as a 10 watt light bulb.
120
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
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
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The average sperm cell swims at 8 inches per hour.
76