Yawns are more contagious among people with closer relationships.
163
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
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
The world's shortest man measures only 21.5 inches.
73
Americans will spend more on cat food this year than baby food.
32
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
2% of Europeans lack the genes for smelly armpits.
6