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).
Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The horizontal fraction bar was introduced by the Arabs.
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Everyone has one nostril that is larger than the other.
Cushing's Syndrome
Common traditional surgical incisions
Common Bacterial Pathogens
Karyotype for Turner’s syndrome (45, XO).
Common Anti-Emetics
Concordance Values for Common Medicaland Behavioral Conditions in Humans