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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
![A typical engine design that uses both pressure and splash lubrication. Oil travels under pressure ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_2_34_10_29604631.png)
![In this design, the fuel injector is at the top of the cylinder and sprays fuel into the cavity of ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_1_51_46_300211265.png)