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EarthAnother danger looms after the LA fires: Devastating debris flows
As wildfires burn the landscape, they prime slopes for debris flows: powerful torrents of rock, mud and water that sweep downhill with deadly momentum.
By Nikk Ogasa -
AnimalsMole or marsupial? This subterranean critter with a backward pouch is both
Genetic analyses have solved the riddle of where a marsupial mole fits on the tree of life: It’s a cousin to bilbies, bandicoots and Tasmanian devils.
By Susan Milius -
Health & MedicineTrump is withdrawing the U.S. from WHO. Here’s what that means
When Trump’s move to leave WHO takes effect in a year, it may gut funding for global public health and limit U.S.