[Aging] Regeneration of NAD keeps mouse muscles young
Evidence for a critical role of nitric acid dihydrate (NAD) metabolism in aging is accumulating. Frederick et al. studied mice with muscle-specific depletion of nicotinamide – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 15, 2016 Category: Science Authors: Bryan L. Ray Tags: Aging Source Type: research
[Ceramics] Probing the boundaries of ceramics
Ceramics are important but underappreciated materials for numerous technologies. Diercks et al. investigate the connection between electrical properties and local chemistry – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 15, 2016 Category: Science Authors: Brent Grocholski Tags: Ceramics Source Type: research
[Diversity] Mentoring as value added
The benefits of faculty-mentored undergraduate research experiences are well known. Interinstitutional research training programs ensure that these opportunities are available to all – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 15, 2016 Category: Science Authors: Melissa McCartney Tags: Diversity Source Type: research
[Mitochondrial Genetics] Effects of mtDNA and nuclear genetic variation
Because mitochondrial DNA (mtDNA) is predominately inherited through the mother, it is hypothesized that in the case of mtDNA mutations, males might be more affected by genetic incompatibilities. – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 15, 2016 Category: Science Authors: Laura M. Zahn Tags: Mitochondrial Genetics Source Type: research
[Brain Connections] How the mind controls the body
Can our brain influence our internal organs? Dum et al. used retrograde transneuronal transport of rabies virus to identify the brain regions that project to a part of the – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 15, 2016 Category: Science Authors: Peter Stern Tags: Brain Connections Source Type: research
[Ecophysiology] Wake up!
Torpor occurs when an endothermic animal's core body temperature is reduced below a critical threshold. Similar to hibernation, torpid animals' physiological and neural systems have – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 14, 2016 Category: Science Authors: Sacha Vignieri Tags: Ecophysiology Source Type: research
[Structural Biology] Bacteriophage fights back
Bacteria and archaea have CRISPR-Cas systems that target and destroy invading DNA from phages and plasmids. However, invaders can fight back. Wang et al. report a structure – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 8, 2016 Category: Science Authors: Valda Vinson Tags: Structural Biology Source Type: research
[Inorganic Chemistry] A pair of tablemates for aromatic benzene
Chemists do not designate a compound as aromatic because it smells nice. Rather, the term refers to the stability conferred by a particular delocalized arrangement of electrons first – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 8, 2016 Category: Science Authors: Jake Yeston Tags: Inorganic Chemistry Source Type: research
[Climate Change Impacts] A sea-route change in the Arctic
Arctic sea ice is rapidly disappearing as climate warms, ushering in an entirely novel era in marine transportation with important economic implications, because more frequent open – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 8, 2016 Category: Science Authors: H. Jesse Smith Tags: Climate Change Impacts Source Type: research
[Host Responses] Inflammation blocks recovery
Although antibiotics can clear the pathogen, doctors typically do not prescribe them to treat nontyphoidal Salmonella infections, which are a major cause of gastroenteritis – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 8, 2016 Category: Science Authors: Kristen L. Mueller Tags: Host Responses Source Type: research
[Superconductivity] Lightly doping a Mott insulator
Cuprates usually acquire their superconductivity when charged carriers, typically holes, are chemically introduced into a “parent” state called a Mott insulator. However, this part of – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 8, 2016 Category: Science Authors: Jelena Stajic Tags: Superconductivity Source Type: research
[Fisheries] Modeling the distribution of tuna fleets
The purse-seine tuna fishery in the eastern Pacific Ocean, off the west coast of the Americas, is fished by vessels with thousand-ton capacities that range over an area the size of – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 8, 2016 Category: Science Authors: Pamela J. Hines Tags: Fisheries Source Type: research
[Microbiology] Sexual development in schistosomes
Schistosomiasis is a severe parasitic disease that affects ~200 million people globally. The flatworms that cause the disease have a complex life cycle in which, unusually, male and – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 7, 2016 Category: Science Authors: Caroline Ash Tags: Microbiology Source Type: research
[Neuroscience] Brain mapping by barcode
Mapping how neurons functionally connect over long distances promises to offer important insights into brain function. Although optical and fluorescent labeling techniques have provided – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 1, 2016 Category: Science Authors: Barbara R. Jasny Tags: Neuroscience Source Type: research
[Innovation Economics] Measuring impacts of technology on growth
Schumpter's concept of “creative destruction” reflects how technological innovation plays a key role in a dynamic economy. Questions remain, though, about how to measure the scientific ver – [Read More] (Source: Editors' Choice)
Source: Editors' Choice - September 1, 2016 Category: Science Authors: Brad Wible Tags: Innovation Economics Source Type: research
