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).
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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Cyanide works by making the human body unable to use oxygen.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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People about to have surgery must tell their health care providers about all supplements they take.
Ears, nose, and throat (ENT) system.
Maternal-fetal incompatibility in the Rh system.
Engine oil pressure is used to switch cam lobes on a VTEC system.
Nine labels used to identify hazardous materials in the Global Harmonization System (GHS). Top row: ...