Record leap in carbon dioxide seen in 2015
The level of carbon dioxide in the atmosphere increased at a record pace last year, US government scientists reported, raising new concern about one of the top greenhouse gases and the effects of global warming. The measurement came from the National ...>> view originalHow prehistoric food processing helped shape our faces
When our genus, Homo, diverged from other hominins at least 2.8 million years ago, human skeletons began to change in significant and puzzling ways. Homo erectus, for example, was much taller and had a much larger brain case than the Australopith ancestors.But Homo erectus also had significantly smaller teeth, jaws, and faces than the ancestral hominins. How could humans eat enough food to support massive bodies, and presumably massive brains, with such small mouths?Some particularly compelling..>> view originalNew Species of Bacteria Eats Plastic
Bacteria can gobble up oil spills, radioactive waste and, now, plastic. Researchers in Japan said they have discovered a species of microbe that eats PET, the polymer widely used in food containers, bottles and synthetic fibers. Some scientists have said the bacteria could help break down otherwise non-biodegradable debris in landfills or...>> view originalNASA aims to launch troubled Mars lander in 2018
NASA has decided to save, rather than scrap, a robotic Mars mission that missed its launch opportunity this month.The space agency is now targeting a May 2018 liftoff for its InSight lander, which will investigate the interior structure of Mars, officials announced Wednesday. (Mars and Earth align favorably for interplanetary missions just once every 26 months.)NASA had been considering ending the mission after a leak in the vacuum chamber surrounding a key instrument -- which was built by the ..>> view original
Thursday, March 10, 2016
Record leap in carbon dioxide seen in 2015 and other top stories.
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