News
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HumansFossils suggest another hominid species lived near Lucy
Fossil jaws dating to over 3 million years ago may add a new species to the ancient hominid mix.
By Bruce Bower -
ClimateNext icy era may be on hold
Carbon emissions from humans may have postponed Earth’s next glaciation, new research suggests.
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NeuroscienceNo-pain gene discovered
Scientists have identified a new genetic culprit for the inability to perceive pain.
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EnvironmentRising dolphin deaths linked to Deepwater Horizon spill
Lung lesions and other injuries link an extensive die-off of dolphins in the Gulf of Mexico to the 2010 Deepwater Horizon oil spill.
By Beth Mole -
ClimateTranquil ecosystems may explain wild swings in carbon dioxide stashing
Semiarid ecosystems, such as grasslands and shrublands, are behind the large variation in the amount of atmospheric carbon dioxide sucked in by land each year.
By Beth Mole -
GeneticsMutations that drive cancer lurk in healthy skin
Healthy tissue carries mutations that drive cancer, samples of normal skin cells show.
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NeuroscienceBrain implants let paralyzed man move robotic arm
Implanting tiny silicon chips in the action-planning part of a paralyzed man’s brain let him smoothly control a robotic limb with his thoughts.
By Meghan Rosen -
GeneticsAncient DNA pushes back timing of the origin of dogs
DNA extracted from the fossil of an ancient wolf indicates dogs and wolves diverged longer ago than previously thought.
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AnimalsOctopuses can ‘see’ with their skin
Eyes aren’t the only cephalopod body parts with light-catching molecules.
By Susan Milius -
Materials ScienceLike a balloon, peculiar magnet grows and shrinks
A recently discovered alloy of iron and gallium can expand and contract like a balloon when exposed to a magnetic field.
By Andrew Grant -
ArchaeologyEarliest known stone tools unearthed in Kenya
East African discoveries suggest stone-tool making started at least 3.3 million years ago.
By Bruce Bower -
AstronomyPeeks into early life of supernovas show how to blow up a star
Multiple supernovas show off some of the ways a star can explode.