Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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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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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
The Secondary Mirror Does Not Create a Hole in the Image
The b sheet, another common secondary structure in proteins
Raphael, The School of Athens.
The locations of human primary somatosensory cortex (SI) and one area of secondary somatosensory ...