We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
Every human spent about half an hour as a single cell.
144
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The human sigh acts as a physiological reset button.
23
