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Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

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

Oasis in space: earthrise over the moon's horizon. Oasis in space: earthrise over the moon's horizon.
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Human Memorabilia in Space Human Memorabilia in Space
A typical office file room. (Paper medical records are rapidly being replaced by electronic ... A typical office file room. (Paper medical records are rapidly being replaced by electronic ...
(A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ... (A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ...
Please explain the different Rf values for xanthophyll’s in paper chromatography compared to ... Please explain the different Rf values for xanthophyll’s in paper chromatography compared to ...
Video: Reflex arc construction

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