Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The horizontal fraction bar was introduced by the Arabs.
The Hershey-Chase Experiment p2
The notorious standford prison experiment
Fluidization - Data Table of experiment
Landsteiner's experiment demonstrating the exquisite specificity of the immune system.
How to find the equation of a line that is perpendicular to a line passing through a point