News
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		AstronomyA dozen new black holes found in Milky Way’s center
Twelve small black holes spotted in the Milky Way’s center suggest thousands more in the galaxy’s inner region.
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		ClimateSeafloor map shows why Greenland’s glaciers melt at different rates
A new high-res look at the seafloor shows how ledges and dips affects whether relatively warm ocean water reaches the ice.
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		GeneticsBirds get their internal compass from this newly ID’d eye protein
Birds can sense magnetic fields, thanks to internal compasses that likely rely on changes to proteins in the retina.
By Dan Garisto - 			
			
		AnthropologyArdi walked the walk 4.4 million years ago
Ancient hominid evolved upright stance without sacrificing climbing ability.
By Bruce Bower - 			
			
		AnimalsHow honeybees’ royal jelly might be baby glue, too
A last-minute pH shift thickens royal jelly enough to stick queen larvae to the ceiling of hive cells.
By Susan Milius - 			
			
		Health & MedicineThe science behind cancer warnings on coffee is murky at best
The risks of acrylamide in coffee are not as clear as a California court ruling may suggest.
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		Materials ScienceEggshell nanostructure protects a chick and helps it hatch
The nanoscale structure of a chicken eggshell changes to fulfill different functions as the egg incubates.
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		AnimalsToxins from the world’s longest animal can kill cockroaches
Bootlace worms can stretch up to 55 meters long and ooze toxins that can kill cockroaches and green crabs.
By Susan Milius - 			
			
		AnimalsSome frogs may be bouncing back after killer chytrid fungus
Frogs in Panama may be developing defenses against a fatal skin disease, a new study suggests.
By Susan Milius - 			
			
		ArchaeologyFootprints put people on Canada’s west coast 13,000 years ago
Island tracks indicate early New World settlers traveled down the North American Pacific coast about 13,000 years ago.
By Bruce Bower - 			
			
		AstronomyDark matter is MIA in this strange galaxy
A galaxy without dark matter bolsters the case that the invisible substance really exists.
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		Health & MedicineKid-friendly e-cigarette ads appear to work
Teens who hadn’t used tobacco products but were receptive to e-cigarettes ads were more likely to try vaping or smoking.