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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
Biology deals with the study of the many varieties of living organisms.
(a) Homologous traits are similar due to shared ancestry. (b) Analogous traits (bats’, birds’, and f
Berko’s Language Study
The research methods that sociologists choose depend partially on the questions they want to answer. ...
Michelangelo, Study for the Libyan Sibyl.
Operations Research