Pain occurs when sounds are above 130 db.
124
The human brain is insensitive to pain.
76
On average, women have always lived longer than men.
195
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
The first patented condom was meant to be reused!
47