Earth
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We summarize the week's scientific breakthroughs every Thursday.
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		EarthEarly Earth’s chlorine blown away by giant impacts
Low levels of chlorine on planet's surface have long puzzled scientists.
By Erin Wayman - 			
			
		EarthRemnants of Earth’s crust survive in the planet’s interior
A slab stayed unperturbed in the mantle for billions of years before resurfacing, sulfur measurements suggest.
By Erin Wayman - 			
			
		EarthYangtze’s age revealed
Geologists narrow window on time of the Chinese river’s origin to 23-36 million years ago.
By Erin Wayman - 			
			
		EarthMagnitude 7.8 earthquake hits Iran
Casualties reported in nearby Pakistan from temblor.
By Erin Wayman - 			
			
		EarthGeologists develop weapons to combat that sinkhole feeling
What do five Porsches, several Kentucky thoroughbreds and a three-story building in Guatemala City have in common? They’ve all been swallowed by sinkholes. Sadly, the sudden cave-ins sometimes claim people’s lives as well. On February 28 the earth opened up underneath the Seffner, Fla., bedroom of Jeff Bush, entombing him. The freak accident highlighted Florida’s […]
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		ClimateCuts in some greenhouse gases could slow sea level rise
Methane, ozone and other short-lived pollutants have a big impact on ocean heights, simulation finds.
By Erin Wayman - 			
			
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		ClimateRising carbon dioxide means more air turbulence
More jarring flights are likely, simulation suggests.
By Erin Wayman - 			
			
		EarthIsolated coral reefs can regrow after bleaching
Having neighboring coral reefs is unnecessary for recovery.
By Meghan Rosen - 			
			
		EarthHow the West was done
The tectonic history of North America’s Pacific Rim gets even more jumbled.
By Erin Wayman - 			
			
		EarthIn Antarctica, melting may beget ice
Disintegration of floating glaciers could be responsible for freezing of seawater.
By Erin Wayman