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		When reading Science News is the habit of a lifetime
Editor in Chief Nancy Shute talks about Kevin W. Parker, a longtime Science News subscriber.
By Nancy Shute - 			
			
		NeuroscienceIs taking birth control as a teen linked to depression? It’s complicated
As researchers sift through conflicting data, no clear answers emerge on whether birth control during teenage years can cause depression later.
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		SpaceA newfound black hole in the Milky Way is weirdly heavy
A dark mass about 68 times as massive as the sun is locked in orbit with a star in our galaxy. Theory says that such black holes shouldn’t get so big.
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		Quantum PhysicsA new, theoretical type of time crystal could run without outside help
The idea tiptoes closer to the original concept of time crystals, first proposed in 2012.
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		HumansArchaeologists tie ancient bones to a revolt chronicled on the Rosetta Stone
The skeleton of an ancient soldier found in the Nile Delta provides a rare glimpse into an uprising around 2,200 years ago.
By Bruce Bower - 			
			
		ClimateCountries urgently need to ramp up emissions cuts to meet climate targets
A new U.N. report finds that pledged emissions cuts aren’t nearly enough to limit warming to “well below” 2 degrees Celsius by 2100.
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		EarthCritics say an EPA rule may restrict science used for public health regulations
Editors of six major scientific journals argue that a rule proposed by the U.S. EPA may keep key data from factoring into environmental regulations.
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		Health & MedicineA dose of ketamine could lessen the lure of alcohol
Ketamine may weaken wobbly memories of drinking, a trick that might ultimately be useful for treating alcohol addiction.
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		Health & MedicineA protein helps disease-causing immune cells invade MS patients’ brains
Blocking the protein may hinder B cells invading the brain in multiple sclerosis, a study in mice and ‘stand-in’ human brain barriers finds.
By Sofie Bates - 			
			
		ClimateMost Americans now see signs of climate change where they live
In a Pew Research survey, most Americans said the U.S. government isn’t doing enough to counter climate change amid local weather extremes.
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		Astronomy19 more galaxies mysteriously missing dark matter have been found
The finding reveals a population of dwarf galaxies that defy common wisdom about how these star systems form and evolve.
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		PhysicsMounting evidence suggests neutrinos are key to why antimatter is rare
The source of matter’s dominance over antimatter might be revealed by the tiny subatomic particles.