[Valleytronics] Going way off resonance
Single atomic layers of transition metal dichalcogenide (TMD) materials have two nonequivalent valleys in their electronic structure. When researchers shine visible light on these monolayers, – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: Jelena Stajic Tags: Valleytronics Source Type: research
[Optics] Doped photonics
Doping semiconductor materials with impurity atoms enables control of the optoelectronic properties that enhance functionality. Liberal et al. describe numerically and experimentally – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: Ian S. Osborne Tags: Optics Source Type: research
[Vaccination] Time for a booster shot? Open wide!
No one likes to be on the receiving end of a needle, which can make routine childhood vaccinations especially problematic. Aran et al. developed a needle-free drug delivery – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: Caitlin Czajka Tags: Vaccination Source Type: research
[Immunology] Flexible control of T cell activation
Compared with effector T cells, which have previously encountered antigen, naïve T cells require a stronger stimulus to become activated, which prevents spurious activation. Thauland – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: John F. Foley Tags: Immunology Source Type: research
[Mosquito Behavior] Siren molecule calls loudly to mosquitoes
People infected by malaria become more attractive to the mosquito vectors of the disease, which facilitates the spread of malaria. Emami et al. found that red blood cells of – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: Caroline Ash Tags: Mosquito Behavior Source Type: research
[Ocean Chemistry] The long view of ocean pH
The acid-base balance of the oceans has been critical in maintaining Earth's habitability and allowing the emergence of early life. Despite this importance, systematic estimates of – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: H. Jesse Smith Tags: Ocean Chemistry Source Type: research
[Optical Metamaterials] The lazy way to keep cool in the sun
Passive radiative cooling requires a material that radiates heat away while allowing solar radiation to pass through. Zhai et al. solve this riddle by constructing a metamaterial – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: Brent Grocholski Tags: Optical Metamaterials Source Type: research
[Metallurgy] Bone-inspired steel
Load cycling of metal components leads to fatigue and ultimately failure through the propagation of cracks. Koyama et al. took inspiration from bone to develop a steel with – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: Brent Grocholski Tags: Metallurgy Source Type: research
[Zeolite Catalysts] Start with the transition state
Zeolites catalyze a wide range of industrial reactions, but identifying the reactions that they catalyze well tends to be done by trial and error. Gallego et al. propose a – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 9, 2017 Category: Science Authors: Phil Szuromi Tags: Zeolite Catalysts Source Type: research
[Neuroscience] To scratch or not to scratch
Observing someone else scratching themselves can make you want to do so. This contagious itching has been observed in monkeys and humans, but what about rodents? Yu et al. – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 8, 2017 Category: Science Authors: Peter Stern Tags: Neuroscience Source Type: research
[Cardiovascular Biology] Protecting the heart from bad stress
An increased workload causes the heart to enlarge. When this occurs in response to high levels of stress, it is pathological and contributes to heart failure. The protein complex mTORC1 – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 2, 2017 Category: Science Authors: Wei Wong Tags: Cardiovascular Biology Source Type: research
[Evolution] How new species evolve
Recent research has highlighted the interplay between environment and genetic changes that leads to speciation. In a Perspective, Grant and Grant discuss evidence from a range of species, – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 2, 2017 Category: Science Authors: Julia Fahrenkamp-Uppenbrink Tags: Evolution Source Type: research
[Protein Folding] Pulling apart protein unfolding
Elucidating the details of how complex proteins fold is a longstanding challenge. Key insights into the unfolding pathways of diverse proteins have come from single-molecule force spectroscopy – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 2, 2017 Category: Science Authors: Valda Vinson Tags: Protein Folding Source Type: research
[Adaptation] Climate-driven selection
Climate change will fundamentally alter many aspects of the natural world. To understand how species may adapt to this change, we must understand which aspects of the changing climate – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 2, 2017 Category: Science Authors: Sacha Vignieri Tags: Adaptation Source Type: research
[Brain Microcircuits] Layer-specific interneuron activity
Somatostatin-expressing interneurons are an important group of inhibitory neurons in the brain that target and thus control the dendrites of pyramidal cells. These interneurons have – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 2, 2017 Category: Science Authors: Peter Stern Tags: Brain Microcircuits Source Type: research
