Notebook
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		Health & MedicineCDC sounds alarm on STDs
The combined reported cases of three common sexually transmitted diseases reached a historic peak in 2015, a new CDC report says.
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		PaleontologyDragon dinosaur met a muddy end
‘Mud dragon’ fossil discovered in China suggests that dinosaurs’ last days were an active time of evolution.
By Meghan Rosen - 			
			
		Health & Medicine50 years later, vaccines have eliminated some diseases
Vaccines have come a long way in 50 years.
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		EarthMount St. Helens is a cold-hearted volcano
Geophysics reveals that deep beneath Mount St. Helens, there’s no source of hot magma, just a wedge of cold serpentinite rock. Where is the missing heat?
By Beth Geiger - 			
			
		EarthThe southern San Andreas has a smaller, neighboring fault to its west
The newly-discovered Salton Trough Fault runs parallel to the southern San Andreas Fault in California, potentially affecting the region’s earthquake risk.
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		Health & MedicineRiding roller coasters might help dislodge kidney stones
Researchers took a 3-D printed kidney containing tiny stones and urine for a spin on a roller coaster and found their patients’ stories of kidney stones passing on the ride to have merit.
By Laura Beil - 			
			
		EarthThere’s a new way to stop an earthquake: put a volcano in its path
An earthquake rupturing along a fault in Japan was blockaded by the magma chamber below the Mount Aso volcano, researchers propose.
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		Health & MedicineStaph infections still a concern
Scientists have been searching for a vaccine against a deadly microbe for 50 years.
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		TechHow to read a book without opening it
New technique allows scientists to read the pages of an ancient text without opening the book.
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		AnimalsMelatonin makes midshipman fish sing
Melatonin lets people sleep but starts male midshipman fish melodiously humming their hearts out.
By Susan Milius - 			
			
		ClimateExtreme lightning events set records
A lightning flash stretching 321 kilometers across and one that lasted 7.74 seconds have been named the most extreme events on record, thanks to a new rule change.
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		Materials ScienceSuperflexible, 3-D printed “bones” trigger new growth
New ultraflexible material could be the future of bone repair, but awaits human testing.