Babies crawl an average of 200m a day.
212
The human brain uses approximately as much energy as a 10 watt light bulb.
120
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Poor eyesight (myopia) is associated with higher IQ.
232
The human body contains over a billion miles of DNA.
147
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
It takes about 20 seconds for a red blood cell to circle the whole body.
102
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127