Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
Schematic of typical animal cell depicting the various organelles and structures.
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Recommended vs. Typical Diet
Typical Organization of the CPT Manual
A typical module-controlled high-side driver (HSD) where the module itself supplies the electrical ...
Typical characteristics of r-selected and k-selected species