Every year your body replaces 98% of your atoms.
119
Your thumb is about the same size as your nose.
124
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Your hair grows faster in the morning than at any other time of day.
91
‘Fracture putty’ is a material being developed that when packed in & around a bone fracture, provides full load bearing strength within days.
8
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Banging your head against a wall uses 150 calories an hour.
57
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197