Your thumb is about the same size as your nose.
124
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
The human brain doesn't stop developing until about 25 years old.
102
The human sigh acts as a physiological reset button.
23
The human body contains over a billion miles of DNA.
147
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
