ScienceDaily: Top News |
- Training your brain to prefer healthy foods
- HIV lessons from the Mississippi baby
- Mystery solved: 'Sailing stones' of Death Valley seen in action for the first time
- Small molecule acts as on-off switch for nature's antibiotic factory: Tells Streptomyces to either veg out or get busy
- Marine protected areas inadequate for protecting fish and ocean ecology, study finds
- Respiratory infection controls being used for Ebola patients are unnecessary, may contribute to public panic
- How premalignant cells can sense oncogenesis, halt growth
| Training your brain to prefer healthy foods Posted: 01 Sep 2014 09:34 AM PDT It may be possible to train the brain to prefer healthy low-calorie foods over unhealthy higher-calorie foods, according to new research.       |
| HIV lessons from the Mississippi baby Posted: 28 Aug 2014 11:26 AM PDT The news in July, 2014 that HIV had returned in a Mississippi toddler after a two-year treatment-free remission dashed the hopes of clinicians, HIV researchers and the public at large tantalized by the possibility of a cure. But a new commentary by two leading HIV experts argues that despite its disappointing outcome, the Mississippi case and two other recent HIV "rebounds" in adults, have yielded critical lessons about the virus' most perplexing — and maddening — feature: its ability to form cure-defying viral hideouts.  |
| Mystery solved: 'Sailing stones' of Death Valley seen in action for the first time Posted: 28 Aug 2014 11:19 AM PDT Racetrack Playa is home to an enduring Death Valley mystery. Littered across the surface of this dry lake, also called a "playa," are hundreds of rocks -- some weighing as much as 320 kilograms (700 pounds) -- that seem to have been dragged across the ground, leaving synchronized trails that can stretch for hundreds of meters.  |
| Posted: 28 Aug 2014 10:58 AM PDT Biochemists have identified the developmental on-off switch for Streptomyces, a group of soil microbes that produce more than two-thirds of the world's naturally derived antibiotic medicines. Their hope now would be to see whether it is possible to manipulate this switch to make nature's antibiotic factory more efficient.  |
| Marine protected areas inadequate for protecting fish and ocean ecology, study finds Posted: 28 Aug 2014 10:58 AM PDT A new study reports that an expansion of marine protected areas is needed to protect fish species that perform key ecological functions. According to investigators, previous efforts at protecting fish have focused on saving the largest numbers of species, often at the expense of those species that provide key and difficult-to-replace ecological functions.  |
| Posted: 28 Aug 2014 10:55 AM PDT Respiratory infection control measures -- which have been adopted by most health agencies to deal with the Ebola epidemic in west Africa -- are unnecessary, and may heighten panic and fear among the public, according to the authors of a new paper.  |
| How premalignant cells can sense oncogenesis, halt growth Posted: 28 Aug 2014 10:55 AM PDT What happens inside cells when they detect the activation of a cancer-inducing gene? Sometimes, cells are able to signal internally to stop the cell cycle. Such cells are able to enter, at least for a time, a protective non-growth state. New experiments now show how cells can respond to an activated RAS gene by entering a quiescent state called senescence.  |
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