Home
Random
Trending
Today
1
posts added
Search
sapiens.org
9wM97
TIL that some cultures didn't practice kissing at all before contact with the West, and only half of the world today kisses romantically
a8A1y
TIL When you look into a Hadza mouth there's 20 back teeth while the rest of us tend to have 16 erupted and working. Hadza also typically have a tip-to-tip bite between the upper and lower front teeth, the edges of their lowers align to form a flawless arch. The size of Hadza teeth match perfectly.
d8gKK
TIL about the encephalization quotient (EQ), the ratio of a species’ actual brain mass to its predicted brain mass used as a marker for intelligence. Rats have a EQ of 0.4, Chimps 2.5, Dolphins 5.3, and humans 7.0 respectively.