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Tuesday, December 30, 2014

ScienceDaily: Most Popular News

Most Popular News -- ScienceDaily

ScienceDaily: Most Popular News

Taking the grunt work out of web development

Posted: 23 Dec 2014 11:16 AM PST

A new programming language automatically coordinates interactions between Web page components. The language is called Ur/Web, and it lets developers write Web applications as self-contained programs. The language's compiler -- the program that turns high-level instructions into machine-executable code -- then automatically generates the corresponding XML code and style-sheet specifications and embeds the JavaScript and database code in the right places.

Using targeted brain stimulation to change attention patterns for anxious individuals

Posted: 23 Dec 2014 05:41 AM PST

Transcranial direct current stimulation (tDCS) is a painless treatment strategy that uses weak electrical currents to deliver targeted stimulation to the brain via electrodes placed on the scalp. tDCS has shown promise in treating mood, anxiety, cognition, and some symptoms of Parkinson's disease.

In search of the origin of our brain

Posted: 23 Dec 2014 05:41 AM PST

While searching for the origin of our brain, biologists have gained new insights into the evolution of the central nervous system and its highly developed biological structures. Nerve cell centralization does begin in multicellular animals, researchers have confirmed.

Ultrasounds dance the 'moonwalk' in new metamaterial

Posted: 22 Dec 2014 08:17 AM PST

Metamaterials have extraordinary properties when it comes to diverting and controlling waves, especially sound and light: for instance, they can make an object invisible, or increase the resolving power of a lens. Now, researchers have developed the first three-dimensional metamaterials by combining physico-chemical formulation and microfluidics technology. This is a new generation of soft metamaterials that are easier to shape.

Fast-food consumption linked to lower test score gains in 8th graders

Posted: 22 Dec 2014 08:16 AM PST

The amount of fast food children eat may be linked to how well they do in school, a new America-wide study suggests. This study can't say why fast-food consumption is linked to lower grades, but other studies have shown that fast food lacks certain nutrients, especially iron, that help cognitive development. In addition, diets high in fat and sugar -- similar to fast-food meals -- have been shown to hurt immediate memory and learning processes.

Could hemp nanosheets topple graphene for making the ideal supercapacitor? 

Posted: 12 Aug 2014 09:15 AM PDT

As hemp makes a comeback in the U.S. after a decades-long ban on its cultivation, scientists are reporting that fibers from the plant can pack as much energy and power as graphene, long-touted as the model material for supercapacitors.

Fasting triggers stem cell regeneration of damaged, old immune system

Posted: 05 Jun 2014 11:15 AM PDT

In the first evidence of a natural intervention triggering stem cell-based regeneration of an organ or system, a study shows that cycles of prolonged fasting not only protect against immune system damage -- a major side effect of chemotherapy -- but also induce immune system regeneration, shifting stem cells from a dormant state to a state of self-renewal.

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