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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Plate XLVII of Animalia Qvadrvpedia et Reptilia (Terra) by Joris Hoefnagel, circa 1575, showing a &q Plate XLVII of Animalia Qvadrvpedia et Reptilia (Terra) by Joris Hoefnagel, circa 1575, showing a &q
Explaining “Moving Continents”— The Theory of Plate Tectonics Explaining “Moving Continents”— The Theory of Plate Tectonics
Mountain and valley breezes Mountain and valley breezes
Setting the Boundaries Setting the Boundaries
Setting the Boundaries Setting the Boundaries
Effects of alterations in Shh morphogen activity in the floor plate and the limb bud Effects of alterations in Shh morphogen activity in the floor plate and the limb bud
Video: Cortisol (protein catabolism, gluconeogenesis, vasoconstriction & anti-inflammation)

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