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Timeline: Science and discoveries
Show all the dates (careful, it gives away the answers!)
- 1687 The law of gravity (Newton) Isaac Newton explains that the same force makes apples fall and keeps the Moon going round the Earth.
- 1735 The classification of living things Carl Linnaeus sorts plants and animals and gives them two-word Latin names, like Homo sapiens.
- 1796 The first vaccine Edward Jenner protects a boy against smallpox using cowpox, a disease of cows: the origin of the word “vaccine”.
- 1859 The theory of evolution (Darwin) Charles Darwin publishes On the Origin of Species: living things change little by little over generations.
- 1869 The periodic table Dmitri Mendeleev arranges the chemical elements in a table and even predicts elements not yet discovered.
- 1895 X-rays Wilhelm Röntgen discovers invisible rays that let you see bones through the skin.
- 1905 Relativity (Einstein) Albert Einstein publishes special relativity and the famous formula E = mc².
- 1928 Penicillin Alexander Fleming notices that a mould kills germs: the first antibiotic.
- 1953 The structure of DNA Watson and Crick, using Rosalind Franklin’s images, describe DNA: a double helix that carries our genes.
- 1996 Dolly the cloned sheep In Scotland, Dolly is born: the first mammal cloned from an adult cell.
Illustrations: Wordiloo, royalty-free.