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
You can't tickle yourself.
29
Your thumb is about the same size as your nose.
124
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
By weight, Bone is five times stronger than steel.
417
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
A person can live without food for about a month, but only about a week without water.
156
Yawns are more contagious among people with closer relationships.
163