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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

A taxonomy of primate social systems. Larger symbols indicate adults. A taxonomy of primate social systems. Larger symbols indicate adults.
One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ... One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ...
Children with attention deficit disorder with hyperactivity (ADHD) diagnoses typically need a quiet, ... Children with attention deficit disorder with hyperactivity (ADHD) diagnoses typically need a quiet, ...
In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ... In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ...
The answer to “What is the proper role of children in an economy?” varies by social class, ... The answer to “What is the proper role of children in an economy?” varies by social class, ...
IMAGES THAT DESCRIBE CELLULAR PARTS IMAGES THAT DESCRIBE CELLULAR PARTS
Video: Sperm Formation

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