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An Icelandic braided river, seen from above.
Photo Credit
Luca Ronchi via iStock
Multi-channel rivers predominate in Iceland’s easily eroded volcanic soil.

Rivers choose their path based on erosion — a discovery that could transform flood planning and restoration

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A pyramid of concept cards underpins a basilica on a laptop screen. Behind the computer is a more abstract pyramid of concepts floating above the desk.
Photo Credit
An illustration by Midjourney with the prompt: “A computer with clouds of equations and symbols.”
What an artificial intelligence displays on the screen reflects its internal representation of the world, which may be quite different than our own.

The mind of the machine
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The head of a California red-legged frog peers out from lily pads
Photo Credit
Gary M. Fellers/USGS
California red-legged frog (Rana draytonii) surfaces in a pond in Point Reyes National Seashore, Calif.

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A humpback swims at the surface with fishing gear wrapped around its flukes.
Photo Credit
E. Lyman/ NOAA Sanctuaries
Less gear in the water means fewer chances for Whales to become entangled.
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Misha Sra
Photo Credit
Lilli McKinney
Misha Sra
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fishers just off a Pacific island shore
Photo Credit
Jacob Eurich
Fishers coming home on a paddle canoe after fishing on the fore reefs of Abaiang, Kiribati