Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Effects of introduced parasites on American chestnut trees.
Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
John Gast, American Progress.
Foundations of American Education: Becoming Effective Teachers in Challenging Times
Animals and Language (1 of 2)