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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro
Successful HIV/AIDS prevention Successful HIV/AIDS prevention
In pretend play, toy figures and animals “come to life” and interact with each other. In pretend play, toy figures and animals “come to life” and interact with each other.
The structures of the brain that have been shown to play a role in memory. Because it would have ... The structures of the brain that have been shown to play a role in memory. Because it would have ...
Preschoolers imitate reality in their play Preschoolers imitate reality in their play
Sources of Variation in Traits Among Individuals of a Species Sources of Variation in Traits Among Individuals of a Species
Video: Neural Reflex Arc Animation

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