brain volume IQ correlation treeshrew brain body ratio

Brain size is a weak clue to IQ

Brain volume and IQ have only a weak link, with a correlation of roughly 0.3–0.4. Comparing brain size with body size does not establish intelligence either: among mammals, the treeshrew has the largest brain-to-body size ratio.

Cretan place-names helped decode Linear B

Michael Ventris noticed that some sign combinations appeared only on tablets from Crete. He thought they might be Cretan place-names, and that clue helped him identify Linear B as a script for writing Greek, against the prevailing view that it was not Greek.

The Moon may be Earth’s collision debris

The leading hypothesis is that a Mars-sized protoplanet called Theia struck the early Earth. Debris thrown into orbit by the impact then formed the Moon.

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brain volume IQ correlation treeshrew brain body ratio

Brain size is a weak clue to IQ

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