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Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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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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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

An illustration of the structure of the Sun: An illustration of the structure of the Sun:
Microtubules: Cilium structure Microtubules: Cilium structure
Structure of photosystem II Structure of photosystem II
The structure of yeast Mediator in complex with RNA polymerase II The structure of yeast Mediator in complex with RNA polymerase II
The density of Pb(s) is 11.34 g/cm3. Pb(s) exists in the cubic-closest packed structure The density of Pb(s) is 11.34 g/cm3. Pb(s) exists in the cubic-closest packed structure
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

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