Our brains have a negativity bias and will remember bad memories more than good ones.
15
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
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
Pain travels through your body at 350 ft. per second.
36
It is possible to go blind from smoking too heavily.
50
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Your skin is actually an organ.
88
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20