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Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

A cross of sweet peas showing that independent assortment does not always occur A cross of sweet peas showing that independent assortment does not always occur
Formation of additional eyes in Drosophila caused by the abnormal expression of a master control gen Formation of additional eyes in Drosophila caused by the abnormal expression of a master control gen
Conjunctivitis, with the characteristic “pinkeye” appearance. A yellow crusty exudate is also common Conjunctivitis, with the characteristic “pinkeye” appearance. A yellow crusty exudate is also common
Comparison of Two Compromises Comparison of Two Compromises
How to determine the commission of a sale How to determine the commission of a sale
Comparison Pre-pregnancy and 9 months pregnancy Comparison Pre-pregnancy and 9 months pregnancy
Video: Language Areas Animation

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