Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Gin is a mild diuretic which helps the body get rid of excessive fluid. Thus, it can reduce problems such as menstrual bloating.
90
Your thumb is about the same size as your nose.
124
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
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Your body is creating and killing about 2.4 million red blood cells per second.
17