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Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Model of splicing activation by Tra protein and the SR proteins Rbp1 and Tra2 Model of splicing activation by Tra protein and the SR proteins Rbp1 and Tra2
A model for helicase action A model for helicase action
A model for formation of a minimal preinitiation complex (PIC) for pol II on a TATA promoter A model for formation of a minimal preinitiation complex (PIC) for pol II on a TATA promoter
Hepatic Acinus Model of Liver Function Hepatic Acinus Model of Liver Function
The Olestra study followed a sequence of steps The Olestra study followed a sequence of steps
The attenuation model regulating the tryptophan operon The attenuation model regulating the tryptophan operon
Video: Immune responses Animation

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