Book5 Unit1Great scientists Archimedes, Ancient Greek (287-212 BC), a mathematician.Charles Darwin, Britain (1808-1882).The name of the book is Origin of Species. Thomas Savery (1650-1715) was an English military engineer and inventor. Thomas Newcomen (1663-1729) was an English blacksmith, who invented the atmospheric steam engine, an improvement over Thomas Savery's previous design. James Watt (1736-1819) was a Scottish inventor and mechanical engineer, who was renowned for his improvements of the steam engine. Newcomen’s steam engine Gregor Mendel, Czech, a botanist and geneticist. Marie Curie, Polish and French, a chemist and physicist. She discovered radium.Thomas Edison, American, an inventor. He invented the lights and the gramophone. Mona LisaLeonardo da Vinci, Italian, an artist. Sir Humphry Davy, British, an inventor and chemist. Zhang Heng, ancient China, an inventor.Stephen Hawking, British, a physicist. What do you know about infectious diseases?•Infectious diseases can be spread easily. They have an unknown cause and may do great harm to people.•People could be exposed to infectious diseases, so may animals, such as bird flu.•AIDS, SARS are infectious diseases. They are difficult to cure. What do you know about cholera?Do you know how to prove a new idea in scientific research?
