News
- Health & Medicine
Same neurons at work in sleep and under anesthesia
Drugs boost activity in nerve cells that usually induce a slumber.
- Astronomy
Violent birth proposed for Saturn’s moon mishmash
A simulation suggests that giant collisions created Titan and the planet’s many smaller satellites.
- Humans
Shoulder 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.
- Health & Medicine
Aspirin 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.
- Genetics
Cloning-like method targets mitochondrial diseases
Providing healthy ‘power plants’ in donor egg cells appears feasible in humans, a new study finds.
- Climate
Gulf Stream might be releasing seafloor methane
Greenhouse gas may be flowing into ocean waters off the U.S. east coast.
- Paleontology
Earliest primate had tree-climber ankles
A creature known only from fossils of its teeth gets some more parts.
- Chemistry
Human blood types have deep evolutionary roots
The ABO system may date back 20 million years or more, a genetic analysis suggests.
- Life
Hind wings gave four-winged dino flight control
Much-debated rear wings could have given Microraptor extra help in airborne maneuvers.
- Earth
Spanish quake linked to groundwater pumping
Draining aquifers likely triggered 2011 tremor that killed nine people.
- Life
Fasting hormone helps mice live longer
A protein can trick the body into entering starvation mode.
- Genetics
Genetic mutations may explain a brain cancer’s tenacity
DNA damage may transform adult cells in glioblastoma, making the malignancy harder to kill.
