|
Author Question: While female and male beetles both contain twenty diploid chromosomes, males have one smaller ... (Read 25 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.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.