الأحد، 31 يوليو 2016

ScienceDaily: Top News

ScienceDaily: Top News


Hybrid perovskites: Super-ion building blocks

Posted: 30 Jul 2016 12:46 PM PDT

More efficient solar cells will likely be based on a family of materials known as hybrid perovskites. Scientists identified how to control different properties and stability in these solar cell materials using lead-free preparation.

Modeling sunlight harvesting in nanostructures

Posted: 30 Jul 2016 12:46 PM PDT

To create the next generation of solar panels, scientists must model how complex interactions occur. Modeling across different scales provides needed insights. In a review article, scientists assessed the state of the art for calculations used to model electronic states in very thin films.

Diamonds help generate new record for static pressures for study

Posted: 30 Jul 2016 12:46 PM PDT

An international team has devised a method for achieving 1 terapascal of static pressure - vastly higher than any previously reached.

A new leaf: Scientists turn carbon dioxide back into fuel

Posted: 30 Jul 2016 12:46 PM PDT

Researchers have found a way to convert carbon dioxide into a usable energy source. Produced by the burning of fossil fuels in power plants and car engines, carbon dioxide continues to accumulate in the atmosphere, warming the planet. But trees and other plants do slowly capture carbon dioxide from the atmosphere, converting it to sugars that store energy.

Green polymer electrolyte based on N-phthaloylchitosan for dye-sensitized solar cells

Posted: 30 Jul 2016 12:45 PM PDT

A green polymer derived from bio-waste was applied to the dye-sensitized solar cells by scientists in a new study. Chitosan obtained from the insects' and crustaceans' chitin was modified to produce the phthaloylchitosan electrolyte for the dye-sensitized solar cells with efficiency of more than 7%.

Scientists grow mini human brains

Posted: 30 Jul 2016 12:45 PM PDT

Mini midbrains provide next generation platforms to investigate human brain biology, diseases and therapeutics, report scientists.

New device steps us towards quantum computing

Posted: 29 Jul 2016 12:22 PM PDT

If biochemists had access to a quantum computer, they could perfectly simulate the properties of new molecules to develop drugs in ways that would take today's fastest computers decades. A new device takes us closer to providing such a computer.

Boron boosts graphene's sensitivity to noxious gases

Posted: 29 Jul 2016 12:21 PM PDT

Researchers have discovered a way to significantly improve graphene's performance in detecting noxious gases. They peppered high-quality sheets with boron impurities.

Krüppel-like factor 12 promotes colorectal cancer via early growth response protein 1

Posted: 29 Jul 2016 10:29 AM PDT

Investigators report preclinical research showing that Krüppel-like factor 12 promotes colorectal cancer cell growth by activating early growth response protein 1. Data also reveal that levels of KLF12 and EGR1 correlate synergistically with a poor CRC prognosis. Results indicate that KLF12 plays an important role in CRC progression and provides a potential novel prognostic marker and therapeutic target.

Lab method sheds light on how genetic mutations cause inherited Parkinson's disease

Posted: 29 Jul 2016 06:25 AM PDT

Scientists have developed a new method of measuring the activity of disease-causing mutations in the LRRK2 gene, a major cause of inherited Parkinson's disease.

Study finds communities need to be proactive about fracking

Posted: 28 Jul 2016 04:57 PM PDT

What are communities doing to address the potential adverse effects of fracking? Not a lot, according to the results of a new study.

Compromise nearly guaranteed when a woman is involved in decision-making pairs

Posted: 28 Jul 2016 04:56 PM PDT

Compromise always occurs among two decision makers when a woman is involved (female pairs or mixed gender pairs) because compromise is consistent with feminine norms. It hardly ever occurs when the decision makers are both men because extremism is a more masculine trait; men tend to push away from compromise options and choose extreme options in order to prove their masculinity in presence of other men, suggests a new study. The findings are pertinent to marketers, managers, and consumers.

Indian pedestrian, motorcycle deaths likely much higher than government data suggest

Posted: 28 Jul 2016 04:55 PM PDT

Official government statistics on traffic deaths in southwest India significantly misrepresented the number of pedestrian and motorcycle deaths in the region over a two-year period, casting doubt on the reliability of that country's government data on traffic fatalities, a study suggests.

Hybrid treatment hunts down and kills leukemia cells

Posted: 28 Jul 2016 12:56 PM PDT

Researchers have developed a hybrid treatment that harnesses a monoclonal antibody to deliver antisense DNA to acute lymphoblastic leukemia (ALL) cells and that may lead to less toxic treatments for the disease.

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