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
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Motorists who talk on cell phones are more impaired than drunk drivers with blood-alcohol levels exceeding .08!
49
Most dreams last only 5 to 20 minutes.
79
A woman's sense of smell is most sensitive during ovulation.
34
Smokers get ten times more wrinkles than non-smokers.
171
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Poor eyesight (myopia) is associated with higher IQ.
232
