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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Gram-positive and Gram-negative bacteria. Gram-positive and Gram-negative bacteria.
Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d
Bacteria Diagram Bacteria Diagram
Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria
Archaea resemble bacteria Archaea resemble bacteria
Food Poisoning from Staphylococcus Aureus Bacteria Food Poisoning from Staphylococcus Aureus Bacteria
Video: Transferring genes into plants Animation

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