One human hair can support 3 ounces.
191
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
By weight, Bone is five times stronger than steel.
417
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Human hair and fingernails continue to grow after death.
7
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
We share 70% of our DNA with a slug.
218