News
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		ArchaeologyHere’s how ancient Amazonians became master maize farmers
Casarabe people grew the nutritious crop year-round on savannas thanks to networks of drainage canals and ponds.
By Bruce Bower - 			
			
		LifeThis drawing is the oldest known sketch of an insect brain
Found in a roughly 350-year-old manuscript by Dutch biologist Johannes Swammerdam, the scientific illustration shows the brain of a honeybee drone.
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		AnimalsChatty bats are more likely to take risks
Bats may broadcast their personalities to others from a distance, new experiments suggest, which could play into social dynamics within a colony.
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		ClimateYes, you can blame climate change for the LA wildfires
Weather data show how humankind’s burning of fossil fuels made the hot, dry, windy weather more likely, setting the stage for the Los Angeles wildfires.
By Nikk Ogasa - 			
			
		AnimalsCricket frogs belly flop their way across water
Cricket frogs were once thought to hop on the water’s surface. They actually leap in and out of the water in a form of locomotion called porpoising.
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		EarthGhostly white northern lights present new auroral mystery
These mysterious whitish-gray glows in the northern lights might be cousins of the mauve light streak known as STEVE.
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		AstronomyA cosmic ‘Platypus’ might link two astronomical mysteries
A flash of light called the Platypus has hallmarks of a mid-sized black hole shredding a star and a type of burst thought to be a stellar explosion.
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		AnimalsFever’s link with a key kind of immunity is surprisingly ancient
When sick, Nile tilapia seek warmer water. That behavioral fever triggers a specialized immune response, hinting the connection evolved long ago.
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		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. access to crucial data, experts warn.
By Meghan Rosen - 			
			
		AstronomyGalactic chaos at cosmic noon may have stunted Milky Way planet formation
High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.
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		PaleontologyA mysteriously large pterosaur finally has an identity
A Jurassic pterosaur fossil, known to paleontologists for over 160 years, isn’t a new species. It is an odd specimen of Rhamphorhynchus muensteri.
By Jake Buehler