American science after colonization
European trade goods (thanks to Nebraska Game and Parks Division) North American people made rapid scientific advances in the course of the 1500s AD, inspired by contacts with traders and [...]
European trade goods (thanks to Nebraska Game and Parks Division) North American people made rapid scientific advances in the course of the 1500s AD, inspired by contacts with traders and [...]
A child with tuberculosis What is tuberculosis? Tuberculosis is a lung disease caused by germs. Today we can usually cure it with antibiotics. But in antiquity there was no cure. Many people died [...]
Greek doctor letting blood out of a patient because he believes in the four humors: history of medicine How did ancient doctors treat diseases? Ancient doctors tried to cure everyone who [...]
A model of a methane molecule - the simplest of hydrocarbons A kind of molecule Hydrocarbons are molecules. They are made out of hydrogen atoms and carbon atoms. Methane is [...]