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Cyanide works by making the human body unable to use oxygen.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Fungi House Fungi House
Freedom House is a nonprofit institution that uses several different factors to rank countries based Freedom House is a nonprofit institution that uses several different factors to rank countries based
Frank Gehry and Vlado Milunić, Rasin Building (a.k.a. the "Dancing House" or ... Frank Gehry and Vlado Milunić, Rasin Building (a.k.a. the "Dancing House" or ...
A typical oil pump mounted in the front cover of the engine that is driven by the crankshaft. A typical oil pump mounted in the front cover of the engine that is driven by the crankshaft.
Voter turnout and presidential and midterm house elections Voter turnout and presidential and midterm house elections
Video: Introduction to Epilepsy

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