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 human brain uses approximately as much energy as a 10 watt light bulb.
120
You can't tickle yourself.
29
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
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
Only humans shed emotional tears.
331