All Stories
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		Planetary ScienceReaders weigh in on human gene editing and more
Readers debated feeling morally obligated to edit their kid's genes and had questions about exoplanets.
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		Health & Medicine50 years ago, early organ transplants brought triumph and tragedy
In 1968, the liver transplant field had its first small successes. Now, more than 30,000 patients in the U.S. receive a donated liver each year.
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		PaleontologyNew fossils are redefining what makes a dinosaur
While some researchers question what characteristics define the dinosaurs, others are uprooting the dino family tree altogether.
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		AstronomyAn amateur astronomer caught a supernova explosion on camera
An amateur astronomer has caught a supernova explosion on camera.
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		Health & MedicineA new study eases fears of a link between autism and prenatal ultrasounds
On almost every measure, prenatal ultrasounds doesn’t appear to be related to a risk of developing autism, a recent study finds.
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		LifeA fake organ mimics what happens in the blink of an eye
A newly crafted artificial eye could help researchers study treatments for dry eye disease and other ailments.
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		HumansHow to build a human brain
Organoids, made from human stem cells, are growing into brains and other miniorgans to help researchers study development
By Ingfei Chen - 			
			
		ComputingAre computers better than people at predicting who will commit another crime?
If crime-predicting computer programs aren’t any more accurate than human guesswork, do they still have a place in the criminal justice system?
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		PlantsThe flowers that give us chocolate are ridiculously hard to pollinate
Cacao trees are really fussy about pollination.
By Susan Milius - 			
			
		ArchaeologyModern tech unravels mysteries of Egyptian mummy portraits
A museum exhibit showcases what modern analytical tools can reveal about ancient Egyptian funerary portraits and mummies.
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		TechMix of metals in this Picasso sculpture provides clues to its mysterious origins
The alloys used to cast Picasso’s bronze sculptures provide a valuable piece of the puzzle in reconstructing the histories of the works of art.
By Kate Travis - 			
			
		NeuroscienceBabies can recover language skills after a left-side stroke
Very young babies who have strokes in the language centers of their brain can recover normal language function — in the other side of their brain.