Mnemonic Device: 5×10^9, 8, 7, 6, 5, 4, 3, 2, 1, 0 Explanation: 5×10^9 (about 5 billion years ago) the birth of the earth 5×10^8 – the first fish
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Mnemonic devices for Big History
Big History is a framework for all knowledge. Here we've collected mnemonics for it.
Earth timescale: 5×10^9, 8, 7, 6, 5, 4, 3, 2, 1, 0
VISTA
Mnemonic Device: VISTA Explanation: for Darwin’s theory of evolution, the steps of natural selection Variation, Inheritance, Selection, Time, Adaptation
