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Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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Thyroid conditions may make getting pregnant impossible.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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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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Vaccines prevent between 2.5 and 4 million deaths every year.

One proposed timeline of the origin of space, from physical cosmology. One proposed timeline of the origin of space, from physical cosmology.
The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo
The Hubble Space Telescope The Hubble Space Telescope
For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
Use a full hand/flat of fingers to apply L stroke to face, below the eye and to the edge of the ... Use a full hand/flat of fingers to apply L stroke to face, below the eye and to the edge of the ...
In a room where g = 9.81 m/s2, a hockey puck slides off the edge of a platform with an initial ... In a room where g = 9.81 m/s2, a hockey puck slides off the edge of a platform with an initial ...
Video: Apicomplexan life cycle Animation

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