Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
Lack of water is the #1 trigger of daytime fatigue.
148
Redheads require up to 20% more anesthesia to be knocked out.
112
If your DNA was stretched out it would reach to the moon 6,000 times.
256
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
One quarter of the bones in your body are in your feet!
36