ScienceDaily: Most Popular News |
- Ancient dental plaque: A 'Whey' into our milk drinking past?
- Heat-conducting plastic: 10 times better than conventional counterparts
- Experimental Ebola vaccine appears safe, prompts immune response
- High-tech mirror beams heat away from buildings into space
- Shaping the future of energy storage with conductive clay
- Many animals steal defenses from bacteria: Microbe toxin genes have jumped to ticks, mites and other animals
- Depression, overwhelming guilt in preschool years linked to brain changes
| Ancient dental plaque: A 'Whey' into our milk drinking past? Posted: 27 Nov 2014 06:49 AM PST We drink milk because it is good for us, but we rarely stop to think "Why?" Archaeologists and geneticists have been puzzling this question since it was revealed that the mutations which enable adults to drink milk are under the strongest selection of any in the human genome.  |
| Heat-conducting plastic: 10 times better than conventional counterparts Posted: 26 Nov 2014 02:16 PM PST The spaghetti-like internal structure of most plastics makes it hard for them to cast away heat, but a research team has made a plastic blend that does so 10 times better than its conventional counterparts.  |
| Experimental Ebola vaccine appears safe, prompts immune response Posted: 26 Nov 2014 02:14 PM PST An experimental vaccine to prevent Ebola virus disease was well-tolerated and produced immune system responses in all 20 healthy adults who received it in a Phase 1 clinical trial.  |
| High-tech mirror beams heat away from buildings into space Posted: 26 Nov 2014 10:38 AM PST Engineers have invented a material designed to help cool buildings. The material reflects incoming sunlight, and it sends heat from inside the structure directly into space as infrared radiation.  |
| Shaping the future of energy storage with conductive clay Posted: 26 Nov 2014 10:26 AM PST Materials scientists have invented clay, which is both highly conductive and can easily be molded into a variety of shapes and sizes. It represents a turn away from the rather complicated and costly processing -- currently used to make materials for lithium-ion batteries and supercapacitors -- and toward one that looks a bit like rolling out cookie dough with results that are even sweeter from an energy storage standpoint.  |
| Posted: 24 Nov 2014 09:54 AM PST Bacteria compete for resources in the environment by injecting deadly toxins into their rivals. Researcher have now discovered that many animals steal toxins from bacteria to fight unwanted microbes growing on them. Genes for these toxins have jumped from bacterial to animals. These genes are now permanently incorporated into the genomes of these animals. Deer ticks, which can carry Lyme disease, are one of the many diverse organisms in which toxin gene transfers from bacteria to animal has occurred.  |
| Depression, overwhelming guilt in preschool years linked to brain changes Posted: 12 Nov 2014 01:10 PM PST A key brain region involved in emotion is smaller in older children diagnosed with depression as preschoolers, and predicts risk of later recurrence, according to researchers. Pathological guilt can be a symptom of clinical depression, as well as other psychiatric disorders including anxiety, obsessive-compulsive disorder and bipolar disorder. One expert said it's relatively easy to spot the problem in children because they excessively blame themselves for things they've done -- and haven't done.  |
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