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Did you know?

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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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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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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The average office desk has 400 times more bacteria on it than a toilet.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry
Many plastic intake manifolds are constructed using many parts glued together to form complex ... Many plastic intake manifolds are constructed using many parts glued together to form complex ...
Many exhaust manifolds are constructed of pressed steel and are free flowing to improve engine ... Many exhaust manifolds are constructed of pressed steel and are free flowing to improve engine ...
The fuelpressure sensor and fueltemperature sensor are often constructed together in one assembly ... The fuelpressure sensor and fueltemperature sensor are often constructed together in one assembly ...
To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ... To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ...
Phylogenetic tree constructed by comparing homologies in cytochrome c amino acid sequences Phylogenetic tree constructed by comparing homologies in cytochrome c amino acid sequences
Video: Mechanism of enzyme action

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