When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Women buy four out of every 10 condoms sold.
71
Only 1 person in 2 billion will live to be 116.
49
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
The human brain is more active during sleep than during the day.
28
Fingernails grow fastest on the hand you favor.
44
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21