ScienceDaily: Cosmic Rays News |
| Some astronauts at risk for cognitive impairment, animal studies suggest Posted: 23 Apr 2014 10:24 AM PDT Rats exposed to high-energy particles, simulating conditions astronauts would face on a long-term deep space mission, show lapses in attention and slower reaction times, even when the radiation exposure is in extremely low dose ranges, new research shows. The cognitive impairments — which affected a large subset, but far from all, of the animals — appear to be linked to protein changes in the brain, the scientists say. |
| Physicists consider implications of recent revelations about the universe's first light Posted: 22 Apr 2014 01:23 PM PDT Recent evidence that the universe expanded from microscopic to cosmic size in a mere instant brings with it important implications. During a live Google Hangout, leading astrophysicists from the University of Chicago and Stanford University discussed what this potential 'crack in the cosmic egg' means for our understanding of the universe. |
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