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Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
(a) Mammal species from central Saskatchewan differ greatly in their isotopic signatures. (b) There (a) Mammal species from central Saskatchewan differ greatly in their isotopic signatures. (b) There
Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe
The human digestive system The human digestive system
A colorized image of human chromosomes A colorized image of human chromosomes
Major blood vessels of the human cardiovascular system Major blood vessels of the human cardiovascular system
Video: Primary Active Transport - electrochemical gradient and ion transport / water movement

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