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Author Question: How many years behind in reading development is the following student? Independent Level 2 ... (Read 1461 times) |
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.