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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Diagram of the life cycle of Plasmodium falciparum, the causative agent of malaria Diagram of the life cycle of Plasmodium falciparum, the causative agent of malaria
Lineweaver–Burk plots of the reactions with and without a competitive inhibitor Lineweaver–Burk plots of the reactions with and without a competitive inhibitor
NADH acts as a reducing agent in several reactions NADH acts as a reducing agent in several reactions
Conversion of guanine to 6-ethylguanine by the alkylating agent ethylmethane sulfonate (EMS) Conversion of guanine to 6-ethylguanine by the alkylating agent ethylmethane sulfonate (EMS)
What is the strongest oxidizing agent of the following set: MnCl2, Mn(OH)3, MnO2, KMnO4? What is the strongest oxidizing agent of the following set: MnCl2, Mn(OH)3, MnO2, KMnO4?
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Video: Electromagnetic Spectrum, Chlorophyll and Pigment & Light

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