The human brain uses approximately as much energy as a 10 watt light bulb.
120
A fetus develops fingerprints at eighteen weeks!
32
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Redheads require up to 20% more anesthesia to be knocked out.
112
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15