Pollution, smoking, roads, obesity kill 4.7m Chinese a year
Air pollution, smoking, obesity and accidents, kill at least 4.7 million Chinese a year and cost the country tens of billions of dollars.
Worms, flies and humans: how we are related
Biologists said the genetic machinery of humans, fruit flies and roundworms was similar in many ways, a discovery that could help basic research.
Wolves yawn contagiously, too, study finds
Contagious yawning is a behavior shared by chimpanzees, baboons, dogs and humans, and researchers said Wednesday that wolves can do it too.
Biotech firm's GM mosquitoes to fight dengue in Brazil
Workers are making an unusual product: genetically modified mosquitoes to fight dengue fever at Oxitec.
Mobile use bad for school test scores: Japan study
Children who spend more than four hours a day on their mobile phone perform worse on school tests than those who are limited to just 30 minutes.
Honeybee genome throws up survival clues: study
Honeybees probably originated in Asia, not Africa, said scientists who had teased interesting tidbits from the busy little pollinators' genome.
Galileo satellites not on right orbit: Arianespace
Two European Galileo satellites launched by a Russian-built rocket on Friday from French Guiana have not reached their intended orbit.
Australian spider grows bigger in city: study
Australian spiders may live happily in the bush, but a new study has found that at least one species also thrives on city life.
SpaceX rocket explodes during test flight
A SpaceX rocket exploded in midair during a test flight, as the company seeks to develop a spacecraft that can return to Earth.