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Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

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There are more sensory neurons in the tongue than in any other part of the body.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

A Kiowa couple. The woman to the right is wearing an elk tooth dress. A Kiowa couple. The woman to the right is wearing an elk tooth dress.
THEMIS image of probable Mars cave entrances THEMIS image of probable Mars cave entrances
Tooth enamel is laid down in daily increments, with darker bands accumulating about once a week. Tooth enamel is laid down in daily increments, with darker bands accumulating about once a week.
A color-enhanced MRI image of the skull. A color-enhanced MRI image of the skull.
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A little part of textbook image A little part of textbook image
Video: Monohybrid crosses

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