News
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HumansShoulder fossil may put Lucy’s kind up a tree
Fossils of an ancient child suggest the more than 3-million-year-old hominid mixed climbing with walking.
By Bruce Bower -
Health & MedicineAspirin has selective benefit in colorectal cancer
Patients with a common gene mutation survive longer, which might enable doctors to predict who would get results from the drug.
By Nathan Seppa -
GeneticsCloning-like method targets mitochondrial diseases
Providing healthy ‘power plants’ in donor egg cells appears feasible in humans, a new study finds.
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ClimateGulf Stream might be releasing seafloor methane
Greenhouse gas may be flowing into ocean waters off the U.S. east coast.
By Tanya Lewis -
PaleontologyEarliest primate had tree-climber ankles
A creature known only from fossils of its teeth gets some more parts.
By Susan Milius -
ChemistryHuman blood types have deep evolutionary roots
The ABO system may date back 20 million years or more, a genetic analysis suggests.
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LifeHind wings gave four-winged dino flight control
Much-debated rear wings could have given Microraptor extra help in airborne maneuvers.
By Susan Milius -
EarthSpanish quake linked to groundwater pumping
Draining aquifers likely triggered 2011 tremor that killed nine people.
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LifeFasting hormone helps mice live longer
A protein can trick the body into entering starvation mode.
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GeneticsGenetic mutations may explain a brain cancer’s tenacity
DNA damage may transform adult cells in glioblastoma, making the malignancy harder to kill.
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EarthYears after big quake, Turkish fault still slip-sliding
Creeping movement underscores the seismic danger threatening Istanbul.
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NeuroscienceDrug helps put bad memories to rest
A brain injection before sleep aids fearful mice — and might lead to a PTSD treatment strategy.