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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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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

(A) The levels of the spinal cord and spinal nerves. (B) Photograph of the spinal cord as it descend (A) The levels of the spinal cord and spinal nerves. (B) Photograph of the spinal cord as it descend
Levels of structure in proteins Levels of structure in proteins
The age-dependent curve of salivary progresterone levels in three populations. The age-dependent curve of salivary progresterone levels in three populations.
Bronfenbrenner was interested in bidirectional relationships between different levels of the ... Bronfenbrenner was interested in bidirectional relationships between different levels of the ...
Levels of Anxiety Levels of Anxiety
Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness
Video: Semidiscontinuous DNA replication

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