Probing the interaction of solitons
(Source: This Week in Science)
Source: This Week in Science - April 6, 2017 Category: Science Authors: Osborne, I. S. Tags: Chemistry, Physics twis Source Type: research
[Nonlinear Optics] Probing the interaction of solitons
As a pulse of light propagates through a medium, scattering and dispersion processes usually result in the pulse diffusing. However, under certain circumstances, the dispersion processes – [Read More] (Source: This Week in Science)
Source: This Week in Science - April 6, 2017 Category: Science Authors: Ian S. Osborne Tags: Nonlinear Optics Source Type: research
[Catalysis] Supported gold ions
The mercuric chloride catalyst for acetylene hydrochlorination creates vinyl chloride, an important polymer feedstock. However, a more environmentally friendly catalyst of gold supported – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Phil Szuromi Tags: Catalysis Source Type: research
[Neuroscience] Vitamin C prevents microglia activation
Changes in the levels of ascorbate, the reduced form of vitamin C, alter neuronal function and are associated with neurodegenerative disorders. Activation of microglia in response to – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Annalisa VanHook Tags: Neuroscience Source Type: research
[Conservation] Flying foxes in peril
Island flying foxes, a group of fruit bats found on many tropical islands, are increasingly under threat from hunting and habitat destruction. In a Perspective, Vincenot et al. – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Julia Fahrenkamp-Uppenbrink Tags: Conservation Source Type: research
[Infectious Disease] Mtb faces sirtuin death
New therapies are needed to combat Mycobacterium tuberculosis (Mtb), which is a poster child for drug resistance. Now, Cheng et al. report that Mtb – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Angela Colmone Tags: Infectious Disease Source Type: research
[Phylogenetics] Photosynthesis evolution in Cyanobacteria
How and when Cyanobacteria evolved the ability to produce oxygen through photosynthesis is poorly understood. Soo et al. examined the genomes of Cyanobacteria and other related – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Laura M. Zahn Tags: Phylogenetics Source Type: research
[Organic Chemistry] Turning benzene into a C –H bond cleaver
Ask chemists for the best way to break a strong bond, and they will tell you to make an even stronger one. Shao et al. applied this principle by using silicon-fluorine bonds – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Jake Yeston Tags: Organic Chemistry Source Type: research
[Martian Atmosphere] Most of Mars' atmosphere has been lost
Mars has a thin atmosphere composed mainly of carbon dioxide. Evidence on the planet's surface indicates that Mars was once warmer and wetter, suggesting a thicker atmosphere in the – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Keith T. Smith Tags: Martian Atmosphere Source Type: research
[Cancer Genomics] Effects of the tumor microenvironment
Glioma brain tumors that carry mutant copies of the IDH gene can be subdivided into two major classes. However, the development of and differences between these two classes – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Laura M. Zahn Tags: Cancer Genomics Source Type: research
[Neurodevelopment] The epigenetics of face-making
How is it that our earlobes are attached to our ears and not our chins? Diverse bits of facial structure are derived from migrating neural crest cells. The cells start out similar but – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Pamela J. Hines Tags: Neurodevelopment Source Type: research
[Climate Change] Consequences of shifting species distributions
Climate change is causing geographical redistribution of plant and animal species globally. These distributional shifts are leading to new ecosystems and ecological communities, changes – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Andrew M. Sugden Tags: Climate Change Source Type: research
[HIV] Mapping a path to HIV elimination
About 25 million people in sub-Saharan Africa are living with HIV. Coburn et al. looked into the design of HIV elimination strategies. They focused on Lesotho, where ∼25% o – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Orla M. Smith Tags: HIV Source Type: research
[Social Sciences] Knowing a name promotes cooperation
When people know each other by name, they are more likely to cooperate with one another. Wang et al. looked at the impact of anonymity in the context of “prisoner's dilemma” exp – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Cedric Tan Tags: Social Sciences Source Type: research
[Crystal Growth] Predicting the shape of crystals to come
Coprecipitating carbonate and silica can form complex three-dimensional shapes. These range from flowers to trumpets, depending on the pH. Kaplan et al. developed a theoretical – [Read More] (Source: This Week in Science)
Source: This Week in Science - March 31, 2017 Category: Science Authors: Marc S. Lavine Tags: Crystal Growth Source Type: research
