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Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Annual net primary productivity on Earth. Annual net primary productivity on Earth.
Select of Primary and Secondary Procedures Select of Primary and Secondary Procedures
The primary ignition system is used to trigger and therefore create the secondary (high-voltage) ... The primary ignition system is used to trigger and therefore create the secondary (high-voltage) ...
Ekman’s six primary facial expressions of emotion and one combination facial expression. ... Ekman’s six primary facial expressions of emotion and one combination facial expression. ...
Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ... Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ...
Sodium is so widely available in foods that you don’t have to go out of your way to meet your ... Sodium is so widely available in foods that you don’t have to go out of your way to meet your ...
Video: Genetic distance between human groups

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