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Author Question: What special property do most plants used for vegetated roofs have to conserve water? A) ... (Read 95 times) |
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.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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.