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Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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People about to have surgery must tell their health care providers about all supplements they take.

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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.

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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Nondisjunction during the formation of haploid cells. Nondisjunction during the formation of haploid cells.
Cells involved in specific immunity in vertebrates. Cells involved in specific immunity in vertebrates.
During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t
White Blood Cells Involved in Immune Response White Blood Cells Involved in Immune Response
Semipermanent Pressure Cells Semipermanent Pressure Cells
Without losing contact, move to the recipient’s right side. Stand at the hip and face the head. ... Without losing contact, move to the recipient’s right side. Stand at the hip and face the head. ...
Video: Polysaccharides

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