ScienceDaily: Top News |
- Sandy to erode many Atlantic beaches
- Hubble sees violent star formation episodes in dwarf galaxies
- NASA satellites see Sandy become a hurricane again and strong winds expand
- Inhaled anesthesia affects children's brains more than intravenous anesthetic, study shows
| Sandy to erode many Atlantic beaches Posted: 27 Oct 2012 01:40 PM PDT Nearly three quarters of the coast along the Delmarva Peninsula is very likely to experience beach and dune erosion as Hurricane Sandy makes landfall, while overwash is expected along nearly half of the shoreline.  |
| Hubble sees violent star formation episodes in dwarf galaxies Posted: 27 Oct 2012 09:09 AM PDT The NASA/ESA Hubble Space Telescope has imaged the faint irregular galaxy NGC 3738, a starburst galaxy. The galaxy is in the midst of a violent episode of star formation, during which it is converting reservoirs of hydrogen gas located in the galaxy's center into stars. Hubble spots this gas glowing red around NGC 3738, one of the most distinctive signs of ongoing star formation.  |
| NASA satellites see Sandy become a hurricane again and strong winds expand Posted: 27 Oct 2012 09:05 AM PDT Sandy weakened to a Tropical Storm and strengthened back into a hurricane early on Saturday (Oct. 27), and its pressure was dropping, meaning that the storm is intensifying as it becomes an extra-tropical storm. NASA's TRMM satellite identified heavy rain falling within the system and NOAA's GOES satellites provided a picture of Sandy's massive size.  |
| Inhaled anesthesia affects children's brains more than intravenous anesthetic, study shows Posted: 26 Oct 2012 02:29 PM PDT Researchers have found that children's brains are more affected by an inhaled anesthetic than an intravenous anesthetic with increased levels of brain lactate. Lactate increases brain activation and may lead to metabolic changes associated with anxiety and delirium. The findings provide new clues to metabolic changes within the brains of children undergoing anesthesia and could help researchers understand why general anesthesia may be potentially harmful to the developing brain.  |
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