Yawns are more contagious among people with closer relationships.
163
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Muhammad is the most common name in the world.
96
Identical twins do not have identical fingerprints.
79
Only 2% of the Earth's population are natural redheads.
13
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Children's sense of smell is better than adults'.
860