environmental change farming food stress foraging

Farmers can return to hunting and gathering

The shift from hunting and gathering to farming does not have to go only one way. If farming becomes unable to provide enough food after a major environmental change, people may return to hunting, fishing, and gathering as a useful survival strategy.

What people expect can change how they read the same made-up word

People shown the invented word "sael" tended to read it like "seal" when they expected animal words and like "sail" when they expected words about boats. The surrounding context changed how they interpreted the same letters.

Tunguska-scale asteroid airbursts are rare

Asteroid airbursts occur regularly, but an event on the scale of Tunguska is estimated to happen only about once every thousand years. Tunguska-scale events are roughly 5–15 megatons; air bursts of about five kilotons are estimated to happen about once a year.

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environmental change farming food stress foraging

Farmers can return to hunting and gathering

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