All Stories
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AstronomyExoplanets once trumpeted as life-friendly may not exist
Two exoplanets considered among the most promising for hosting life may not exist, a new study suggests.
By Andrew Grant -
PsychologyPeople will take pain over being left alone with their thoughts
Evidence suggests that people dislike solitary thought so much that some prefer electric shocks.
By Bruce Bower -
AnimalsMantis shrimp tune their eyes with sunscreen
Blocking some rays in just the right way creates six ways of actually seeing ultraviolet light.
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AnimalsRed kangaroo’s tail acts like a fifth leg
Red kangaroos wield their tails like another limb when moving slowly.
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PsychologyVocal fry
At the lowest registers of the human voice, a creaky, popping sound known as vocal fry emerges.
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MathScientists’ grasp of confidence intervals doesn’t inspire confidence
Confidence intervals are often misrepresented and are commonly misunderstood, even by researchers.
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Health & MedicineSupercooling makes livers for transplants last longer
Supercooling a rat liver for transplant greatly increased an organ’s survival time outside the body, potentially opening the door for global allocation of human organs.
By Nsikan Akpan -
PaleontologyFlightless dino-bird wore full-body feathers
Recently unearthed Archaeopteryx fossil sports full coat of feathers, suggesting feather evolution was more complex than previously thought.
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Health & MedicineCandidate asthma and allergy drug passes early test
By suppressing an inflammation-causing antibody, an experimental drug can lessen allergy and asthma symptoms for months at a time.
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NeuroscienceAutism may carry a benefit: a buffer against Alzheimer’s
Brain plasticity of people with autism may protect them from Alzheimer’s disease, scientists propose.
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LifeTibetans live high life thanks to extinct human relatives
DNA shared by modern-day Tibetans and extinct Denisovans suggests people picked up helpful genes through interbreeding with other hominids.
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LifeStem cell papers retracted
Researchers who reported easy method for making stem cells admit mistakes mar their work, and have retracted their papers from Nature.