Deer-vehicle collisions spike when daylight saving time ends

Year-round daylight saving time could keep tens of thousands of deer and dozens of people alive

A car's headlights reveal a deer crossing a two-lane road, with deer crossing signs in the background.

Turning the clocks back after daylight saving time means more people drive in the dark — and are more likely to run into deer. Scientists estimate keeping daylight saving time could save dozens of human lives.

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People pay deerly for the switch from daylight saving time.