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| NASA's Chandra Observatory searches for trigger of nearby supernova Posted: 16 Aug 2014 12:34 PM PDT New data from NASA's Chandra X-ray Observatory offer a glimpse into the environment of a star before it exploded earlier this year, and insight into what triggered one of the closest supernovas witnessed in decades. |
| Pregnant women, fetuses exposed to antibacterial compounds face potential health risks Posted: 10 Aug 2014 09:41 AM PDT As the Food and Drug Administration mulls over whether to rein in the use of common antibacterial compounds that are causing growing concern among environmental health experts, scientists are reporting that many pregnant women and their fetuses are being exposed to these substances. The compounds are used in more than 2,000 everyday products marketed as antimicrobial, including toothpastes, soaps, detergents, carpets, paints, school supplies and toys, the researchers say. |
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