Tin selenide might considerably exceed the efficiency of current record holding thermoelectric materials made of bismuth telluride. However, it was thought its efficiency increased dramatically only at temperatures above 500 degrees Celsius. Now measurements at the BESSY II and PETRA IV synchrotron sources show that tin selenide can also be utilised as a thermoelectric material at room temperature—so long as high pressure is applied.
* This article was originally published here
Tuesday 30 April 2019
Circadian rhythm disruption tips the cell-cycle balance toward tumor growth
Disrupting normal circadian rhythms promotes tumor growth and suppresses the effects of a tumor-fighting drug, according to a new study publishing April 30 in the open-access journal PLOS Biology by Yool Lee, Amita Sehgal, and colleagues at the University of Pennsylvania. The results provide mechanistic support for "chronotherapy," the delivery of cancer drugs timed to the endogenous circadian rhythm.
* This article was originally published here
* This article was originally published here
Maternal comorbidity higher for women with congenital heart defects
(HealthDay)—Pregnant women with congenital heart defects (CHDs) are more likely to have comorbidities and experience adverse events during delivery, according to a study published in the May 7 issue of the Journal of the American College of Cardiology.
* This article was originally published here
* This article was originally published here
In revamp, Facebook bets on small-scale connections, and romance
Got a crush on another Facebook user? The social network will help you connect, as part of a revamp unveiled Tuesday that aims to foster real-world relationships and make the platform a more intimate place for small groups of friends.
* This article was originally published here
* This article was originally published here
Space station power shortage delays SpaceX supply run
A major power shortage at the International Space Station has delayed this week's SpaceX supply run.
* This article was originally published here
* This article was originally published here
What can be done to prevent another CRISPR crisis?
The public announcement last fall from China regarding gene editing on human embryos, conducted without the benefit of scientific review or ethical debate, was met with worldwide disdain. It also has raised global concerns that more rigorous standards must be established to guide further research efforts in germline gene therapy, according to a new article publishing on April 30 in the open-access journal PLOS Biology by medical ethicist Arthur L. Caplan, Ph.D., founding director of the Division of Medical Ethics at NYU School of Medicine.
* This article was originally published here
* This article was originally published here
Bio-based chemicals could reduce fossil fuel use
Petrochemicals, the oil- and gas-derived compounds that serve as the molecular backbones for much of modern commerce, commanded a $539.3 billion market value in 2018.
* This article was originally published here
* This article was originally published here
US sales OK'd for cigarette alternative that heats tobacco
U.S. health officials will allow Philip Morris International to sell a cigarette alternative that heats tobacco without burning it.
* This article was originally published here
* This article was originally published here
Too much smiling in a sales pitch could kill the deal
Spending too much time exuding joy is one of the fastest ways to lose a potential investor. A new study published in the Academy of Management Journal concludes one of the keys to financial persuasion is to strategically incorporate emotion and limit its duration.
* This article was originally published here
* This article was originally published here
Can the effects of the ketogenic diet help prevent epilepsy after traumatic brain injury?
Neuroscientists led by Chris Dulla at Tufts University School of Medicine prevented the development of epileptic activity in mice after traumatic brain injury by using a drug that mimics the metabolic effects of the ketogenic diet. An advance copy of the study is published today in JCI Insight.
* This article was originally published here
* This article was originally published here
Malawi is testing a new malaria vaccine. But it's still early days
Malaria is a leading cause of death and illness around the world. Over 200 million cases are reported every year, and more than 400 000 people die. More than 90% of cases are reported in sub-Saharan Africa. Scientists have spent decades searching for an effective vaccine. Hence the recent excitement when Malawi's government announced it had launched a pilot programme for the world's first malaria vaccine, RTS,S (also known as Mosquirix), produced by the pharmaceutical company, GSK. It's the first vaccine to demonstrate significant reduction in malaria in children. The Conversation Africa's Ina Skosana asked immunologist Faith Osier about RTS,S.
* This article was originally published here
* This article was originally published here
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Only some people get one health benefit from social support
Scientists have long known that the support of friends and family plays a key role in protecting people's physical health.
* This article was originally published here
* This article was originally published here
Caffeine gives solar cells an energy boost
Scientists from the University of California, Los Angeles (UCLA) and Solargiga Energy in China have discovered that caffeine can help make a promising alternative to traditional solar cells more efficient at converting light to electricity. Their research, published April 25 in the journal Joule, may enable this cost-effective renewable energy technology to compete on the market with silicon solar cells.
* This article was originally published here
* This article was originally published here
Polka Dots Design Temples Reading Glasses 5-Pack Includes Sun Readers +0.5
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PROSPEK - Computer Glasses - Blue Light Blocking Glasses - Professional (+0.0...
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New Cyxus Blue Light Filter Clip On Computer Glasses UV Block Anti Eye Strain H3
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Versace Glasses & Case
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READING GLASSES 4 pack Professor Vintage Style Readers Anti-Grey, 1.00
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