Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
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
Identical twins do not have identical fingerprints.
79
If you're over 100 years old, there's an 80% chance you're a woman.
143
All babies are color blind when they are born.
114