The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Down syndrome.
Visible Radiation
Chim-Pom, in collaboration with Junichi Kakizaki, Radiation-Exposed Flowers Harmony.
Down syndrome
In Marfan syndrome, defective connective tissue causes the base of the aorta to enlarge, and potenti