Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
In one day, adult lungs move about 10,000 litres of air.
11
Only humans shed emotional tears.
331
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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
Your heart will pump about 212 million liters in its lifetime.
26