insulin
canadian jizz hole
Frederick Miescher discovered DNA in 1869 while studying the nucleus of white blood cells. He isolated a new chemical substance from cell nuclei that he called "nuclein," which we now know as DNA.
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Insulin was actually discovered by Nicolae Paulescu, a Romanian scientist in 1916. His work predated that of Fredrick Banting by five years, although Banting went on the win the Nobel Prize along with John Mcleod, although Charles Best was not recognized for the contributions to their re-discovery of insulin. The common misconception that insulin was "invented" by Canadians persists to this day. Also, insulin is a naturally occurring substance and thus was discovered. However, different means by which it can by synthesized have been invented.
John dalton did. :)
Some old guy was doing the dishes
Who were the first to discover a substance with magnetic properties
Only by repeated and continuous experiments in laboratory.
Selenium was not invented. It is a natural substance.
Nucleic acids were discovered by Friedrich Miescher in 1869. He isolated a substance from the nuclei of cells that contained high amounts of phosphorus, which he called nuclein. Later, this substance was found to be composed of nucleic acids, which carry genetic information in cells.
i have no idea... but Phillip Von hohenheim made it by mixing metals with acid. He first discovered it, but then Henry Cavendish was the first to recognise it as a descreet substance.
An element is a substance in which every atom is the same. There are 118, 112 of which have been discovered.