Genomic analyses correspond with deep persistence of peoples of Blackfoot Confederacy from glacial times [Open access] (www.science.org)

Abstract: Mutually beneficial partnerships between genomics researchers and North American Indigenous Nations are rare yet becoming more common. Here, we present one such partnership that provides insight into the peopling of the Americas and furnishes another line of evidence that can be used to further treaty and Indigenous...

Persistent drought is drying out Chile's drinking water (www.straitstimes.com)

After 15 years of a devastating drought, reservoirs in Chile are running dry, imperiling access to drinking water in the Andean nation. The Cogoti reservoir in the Coquimbo region of northern Chile, a basin with a capacity of 150 million cubic has completely depleted as the southern Hemisphere summer comes to an end......

More than a meteorite: New clues about the demise of dinosaurs (www.mcgill.ca)

What wiped out the dinosaurs? A meteorite plummeting to Earth is only part of the story, a new study suggests. Climate change triggered by massive volcanic eruptions may have ultimately set the stage for the dinosaur extinction, challenging the traditional narrative that a meteorite alone delivered the final blow to the ancient...

Gulf Stream weakening now 99% certain, and ramifications will be global (www.livescience.com)

A new study has confirmed that the Gulf Stream, a crucial ocean current that helps regulate climate and sea levels, is weakening. The flow of warm water through the Florida Straits has slowed by 4% over the past four decades. This slowdown has significant implications for the world's climate, and scientists are concerned that it...

How to build a heat-resilient city (grist.org)

Cities are hot. When you cover the ground with asphalt and concrete, jam millions of cars together on congested streets, and erect thousands of buildings that leak their own heat, you create what experts call an “urban heat island.” Daytime temperatures in these places can be as much as 7 degrees Fahrenheit higher than...

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