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Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

A Double-Line Spectroscopic Binary A Double-Line Spectroscopic Binary
The effect of a double bond on the shape of fatty acids The effect of a double bond on the shape of fatty acids
Creed - With Arms Wide Open Creed - With Arms Wide Open
How to solve word problems with two unknowns (Question 3) How to solve word problems with two unknowns (Question 3)
Prometaphase Chromosomes are clearly double structures Prometaphase Chromosomes are clearly double structures
When dry, the long fruits (pods) of the California poppy (Eschscholzia californica) split open sudde When dry, the long fruits (pods) of the California poppy (Eschscholzia californica) split open sudde
Video: Monohybrid crosses

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