News
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		AstronomySkepticism grows over whether the first known exomoon exists
New analyses of the data used to find the first discovered exomoon are reaching conflicting results.
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		Health & MedicineA mysterious dementia that mimics Alzheimer’s gets named LATE
An underappreciated form of dementia that causes memory trouble in older people gets a name: LATE.
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		Health & MedicineHow holes in herd immunity led to a 25-year high in U.S. measles cases
U.S. measles cases have surged to 704. Outbreaks reveal pockets of vulnerability where too many unvaccinated people are helping the virus spread.
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		AnimalsHow aphids sacrifice themselves to fix their homes with fatty goo
Young aphids swollen with fatty substances save their colony by self-sacrifice, using that goo to patch breaches in the wall of their tree home.
By Susan Milius - 			
			
		Health & MedicineWhy war’s emotional wounds run deeper for some kids and not others
Researchers examine why war’s emotional wounds run deep in some youngsters, not others.
By Bruce Bower - 			
			
		AnimalsEndangered green sea turtles may be making a comeback in the U.S. Pacific
The numbers of green sea turtles spotted around Hawaii, American Samoa and the Mariana Islands have increased in the last decade.
By Maanvi Singh - 			
			
		GeneticsA lack of circular RNAs may trigger lupus
Researchers close in on how low levels of a kind of RNA may trigger lupus — offering hope for future treatments for the autoimmune disease.
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		MicrobesA global survey finds that the Arctic Ocean is a hot spot for viruses
Scientists mapped virus diversity around the world’s oceans. That knowledge may be key to making better climate simulations.
By Jeremy Rehm - 			
			
		Health & MedicineU.S. measles cases hit a record high since the disease was eliminated in 2000
Each year from 2010 to 2017, 21 million children did not get vaccinated against measles, according to UNICEF.
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		Particle PhysicsThis is the slowest radioactive decay ever spotted
Scientists have made the first direct observations of an exotic type of radioactive decay called two-neutrino double electron capture.
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		Health & MedicineA neural implant can translate brain activity into sentences
With electrodes in the brain, scientists translated neural signals into speech, which could someday help the speechless speak.
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		HumansMedicaid expansion may help shrink health gaps between black and white babies
States that expanded Medicaid as part of the Affordable Care Act shrunk racial disparities between black and white infants, a new study shows.
By Sujata Gupta