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Letters and Science

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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Elephant bones scattered on the savannah

The Circle of Life

How Sexism Hinders Brain Research

‘Passing for Perfect’
Autumn sorghum harvests in the Karamoja region of Uganda

Sending Out an SOS

No Silver Bullet

‘Postcards from Salinas’
Elephants at a watering hole at Mpala Research Centre in Laikipia County, Kenya

Around the Watering Hole

Is Planetary Defense PI in the Sky?

Saving the Amazon

The Search for Quantum Gravity

To Flee or Not to Flee

20 Years of Snowy Plovers
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