Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
One in 500 humans has one blue eye and one brown eye.
145
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136
Approximately 70,000 people in the U.S. are both blind and deaf!
7
Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.
-11
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119