Did you know?
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Blood Stem cell classification
Structures of a typical cell.
A prokaryotic cell.
The Geologic Time Scale
Proposed steps for transformation of a bacterial cell by exogenous DNA
Embryonic development of shepherd’s purse (Capsella), a eudicot