ScienceDaily: Top Science News |
- New rechargeable flow battery could enable cheaper, more efficient energy storage
- Do herbicides alter ecosystems around the world? Scant research makes it hard to prove
- Soft drinks linked to behavioral problems in young children
- Fossil of history's most successful mammal: Prehistoric 'rodent' may have set the stage for life in trees, herbivorous diets
- Mountain high: Genetic adaptation for high altitudes identified
| New rechargeable flow battery could enable cheaper, more efficient energy storage Posted: 16 Aug 2013 06:48 AM PDT Researchers have engineered a new rechargeable flow battery that doesn't rely on expensive membranes to generate and store electricity. The design may support the widespread use of solar and wind energy.  |
| Do herbicides alter ecosystems around the world? Scant research makes it hard to prove Posted: 16 Aug 2013 06:46 AM PDT The number of humans on the planet has almost doubled in the past 50 years -- and so has global food production. As a result, the use of pesticides and their effect on humans, animals and plants have become more important. Many laboratory studies have shown that pesticides can harm organisms which they were not meant to affect. Intensive farming is also linked to collapsing populations of wild animals and the endangerment of species such as amphibians. Can the biochemical effects of pesticides upset entire ecosystems?  |
| Soft drinks linked to behavioral problems in young children Posted: 16 Aug 2013 06:46 AM PDT Americans buy more soft drinks per capita than people in any other country. These drinks are consumed by individuals of all ages, including very young children. Although soft drink consumption is associated with aggression, depression, and suicidal thoughts in adolescents, the relationship had not been evaluated in younger children. A new study finds that aggression, attention problems, and withdrawal behavior are all associated with soft drink consumption in young children.  |
| Posted: 15 Aug 2013 11:51 AM PDT The 160-million-year-old fossil of an extinct rodent-like creature from China is helping to explain how multituberculates -- the most evolutionarily successful and long-lived mammalian lineage in the fossil record -- achieved their dominance.  |
| Mountain high: Genetic adaptation for high altitudes identified Posted: 15 Aug 2013 10:31 AM PDT Scientists have decoded the genetic basis of chronic mountain sickness (CMS) or Monge's disease. Their study provides important information that validates the genetic basis of adaptation to high altitudes, and provides potential targets for CMS treatment.  |
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