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Everyone has one nostril that is larger than the other.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Examples of the results of sexual selection, a type of natural selection. Examples of the results of sexual selection, a type of natural selection.
Gorillas live in one-male or multimale groups, from which females emigrate at sexual materity. Gorillas live in one-male or multimale groups, from which females emigrate at sexual materity.
This photograph of a Union soldier just freed from Andersonville prison, stunned and enraged norther This photograph of a Union soldier just freed from Andersonville prison, stunned and enraged norther
Drugs That May Cause or Worsen Male Sexual Dysfunction Drugs That May Cause or Worsen Male Sexual Dysfunction
Sexual Reproduction in Marchantia Sexual Reproduction in Marchantia
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