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Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Levels of DNA packaging to create a chromosome Levels of DNA packaging to create a chromosome
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Extended Objects Create a Focal Plane Extended Objects Create a Focal Plane
The side injector combines with the shape of the piston to create a swirl as the piston moves up ... The side injector combines with the shape of the piston to create a swirl as the piston moves up ...
Scissoring motion to create movement between the metacarpals of the hand. Scissoring motion to create movement between the metacarpals of the hand.
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