A hard working adult sweats up to 4 gallons per day.
39
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
There are two credit cards for every person in the United States.
2
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
There are about 255 babies born worldwide every minute.
46
