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Author Question: Teaching children the alphabet before they learn to read is controversial because: a) It is ... (Read 89 times) |
The average office desk has 400 times more bacteria on it than a toilet.
In 1864, the first barbiturate (barbituric acid) was synthesized.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.