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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Say the colour, not the word Say the colour, not the word
An image comparing the brain sizes of different species. An image comparing the brain sizes of different species.
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Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
Trace word by sk kid Trace word by sk kid
Video: Bone Growth and Remodeling

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