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Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Watson and Crick and their model of the DNA double helix Watson and Crick and their model of the DNA double helix
Poster for the Cinématographe, with the Lumière Brothers film L'Arroseur Arrosé Poster for the Cinématographe, with the Lumière Brothers film L'Arroseur Arrosé
A pathway for homologous recombination to repair DNA double-strand breaks A pathway for homologous recombination to repair DNA double-strand breaks
How many double bonds they contain How many double bonds they contain
DNA double helix model DNA double helix model
Double Angle Identity Double Angle Identity
Video: Conduction of action potentials

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