Yawns are more contagious among people with closer relationships.
163
Infants spend more time dreaming than adults do.
102
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
Children's sense of smell is better than adults'.
860
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10