Search Results: Koch s postulates

The germ theory, which emerged in the late 19th century, demonstrated that microscopic germs caused most human infectious diseases. The germs involved included bacteria, viruses, fungi, protozoa, and prions. Louis Pasteur (1822-1895), a French...

The king’s evil (from the Latin morbus regius meaning royal sickness), more commonly known as scrofula or medically tuberculous lymphadenitis, was a skin disease believed to be cured by the touch of the monarch as part of their inherited...

Portrait of Robert Koch (1843-1910), published in 1907 in Les Prix Nobel.

Wall of hominin skulls on display in the David H. Koch Hall of Human Origins at the Smithsonian Natural History Museum. They were all found in Africa. Left to right, from the top: Sahelanthropus tchadensis, Homo habilis or Homo rudolfensis...

Cast of the skull (KNM-ER 1470) of Homo rudolfensis. The original specimen was found at Koobi Fora in Kenya by Bernard Ngeneo (a member of Richard Leakey's team) in 1972. The skull is c. 2 million years old. David H. Koch Hall of Human...

Cast of Homo erectus skull Sangiran 17 found at Sangiran, Java, Indonesia. It is around 1 million years old and is on display at the David H. Koch Hall of Human Origins at the Smithsonian Natural History Museum.

Skull of Homo habilis, displayed in the David H. Koch Hall of Human Origins at the Smithsonian Natural History Museum.

Replica of a Homo heidelbergensis skull on display at the David H. Koch Hall of Human Origins at the Smithsonian Natural History Museum in Washington, D.C.

Caspar Wolf (1735–1783), Romantische Waldlandschaft mit drei Figuren, die eine Felszunge besteigen, 1769, Oil on canvas. Exhibited as part of the 2022 exhibition In the Forest - A Cultural History in the Swiss National Museum, Zürich...

Euclid of Alexandria (lived c. 300 BCE) systematized ancient Greek and Near Eastern mathematics and geometry. He wrote The Elements, the most widely used mathematics and geometry textbook in history. Older books sometimes confuse him with...