The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
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
During your lifetime, you'll eat about 60,000 pounds of food, that's the weight of about 6 elephants!
53
2% of Europeans lack the genes for smelly armpits.
6
Most of the world's people must walk at least 3 hours to fetch water!
38
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
Children's sense of smell is better than adults'.
860
Identical twins do not have identical fingerprints.
79