The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
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
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Karl Pillemer, a professor, performed a study on thousands of elderly people and what advice they had about life. On happiness, there was a consensus: “the elders viewed happiness as a choice, not the result of how life treats you.”
13
2% of Europeans lack the genes for smelly armpits.
6