How light pollution disrupts animal navigation

Artificial light can send turtles and moths the wrong way

Baby sea turtles naturally move toward bright light near the horizon, while moths also use light for navigation. Artificial lamps can hijack these systems, drawing turtles away from the sea and moths away from their normal routes.

Alaska has no state income tax partly because of oil revenue

Alaska does not levy a state individual income tax or a statewide general sales tax. Revenue from oil production has historically helped finance state government instead. That arrangement offers residents an unusual tax structure but exposes public finances to swings in oil prices and production. A resource-rich state can become highly dependent on one industry.

An AI learned to treat rulers in photos as a sign of cancer

A system trained to recognize skin cancer noticed that dangerous-looking spots were often photographed next to rulers for scale. Instead of relying only on the skin itself, it learned that seeing a ruler was a clue that cancer might be present.

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How light pollution disrupts animal navigation

Artificial light can send turtles and moths the wrong way

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