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Hace 22 horas · In 1676, Antonie van Leeuwenhoek drew and described microorganisms, probably protozoa and bacteria. Van Leeuwenhoek disagreed with spontaneous generation, and by the 1680s convinced himself, using experiments ranging from sealed and open meat incubation and the close study of insect reproduction, that the theory was incorrect.
Hace 22 horas · ( Oprah Daily ).Mukherjee begins this magnificent story in the late 1600s, when a distinguished English polymath, Robert Hooke, and an eccentric Dutch cloth-merchant, Antonie van Leeuwenhoek looked down their handmade microscopes.
Hace 22 horas · Logic is the study of correct reasoning.It includes both formal and informal logic.Formal logic is the study of deductively valid inferences or logical truths.It examines how conclusions follow from premises due to the structure of arguments alone, independent of their topic and content. Informal logic is associated with informal fallacies, critical thinking, and argumentation theory.
Hace 22 horas · Anton van Leeuwenhoek (1632-1723) mikroorganizmaları ilk gözlemleyen kişi olarak mikroskobi bilimini geliştirmiş ve bakterilerin kolayca görüntülenmesini sağlamıştır. 19. yüzyılın ortalarında John Snow ve William Budd, kirli su yoluyla tifo ve koleranın bulaşıcılığını ortaya koyan önemli çalışmalar yapmıştır.
Hace 22 horas · Pregled pomenov imen asteroidov (malih planetov) od številke 2501 do 3000, ki jim je Središče za male planete dodelilo številko in so pozneje dobili tudi uradno ime v skladu z dogovorjenim načinom imenovanja. Pregled je preverjen z Schmadelovim Slovarjem imen malih planetov (Dictionary of Minor Planet Names).Izvor nekaterih imen je pojasnjen tudi v Okrožnicah centra za male planete ...
