Science
Discovery in new material raises questions about theoretical models of superconductivity
(a) Calculated 3D Fermi surface of CaKFe 4 As 4 (b) Band dispersion along the key symmetry directions with respective orbital contributions marked by color-coded outlines.
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New nanofiber marks important step in next generation battery development
This is a 20 nanometer double perovskite nanofiber that can be used as a highly efficient catalyst in ultrafast oxygen evolution reactions -- one of the underlying electrochemical processes in hydrogen-based energy and the newer metal-air batteries.
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MIPT physicists predict the existence of unusual optical composites
Physicists from MIPT have predicted the existence of transparent composite media with unusual optical properties. Using graphics card based simulations, scientists studied regular volume structures composed of two dielectrics with close parameters, and found that the optical properties of these structures differ from both those of natural crystals and artificial periodic composites, which are currently attracting a lot of interest.
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NASA Studying Shared Venus Science Objectives with Russian Space Research Institute
The Russian Academy of Sciences' Space Research Institute (IKI) Venera-D mission concept includes a Venus orbiter that would operate for up to three years, and a lander designed to survive the incredibly harsh conditions a spacecraft would encounter on Venus' surface for a few hours.
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Dawn Identifies Age of Ceres' Brightest Area
The bright spots in the center of Occator Crater on Ceres are shown in enhanced color in this view from NASA's Dawn spacecraft.
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NASA's Kepler Provides Another Peek at Ultra-cool Neighbor
This illustration shows the seven TRAPPIST-1 planets as they might look as viewed from Earth using a fictional, incredibly powerful telescope.
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New optical nanosensor improves brain mapping accuracy, opens way for more applications: Potassium-sensitive fluorescence-imaging method shines light on chemical activity within the brain
A new optical nanosensor enables more accurate brain mapping and opens the way for broader applications in future; Fig. 5 in a paper reporting on the work shows retention of a potassium nanosensor in the extracellular space.
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Graphene sheets capture cells efficiently: New method could enable pinpoint diagnostics on individual blood cells
Mild heating of graphene oxide sheets makes it possible to bond particular compounds to the sheets’ surface, a new study shows. These compounds in turn select and bond with specific molecules of interest, including DNA and proteins, or even whole cells. In this image the treated graphene oxide on the right is nearly twice as efficient at capturing cells as the untreated material on the left. Courtesy of the researchers
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Human Rights
Fostering a More Humane World: The 28th Eurasian Economic Summi
Conscience, Hope, and Action: Keys to Global Peace and Sustainability
Ringing FOWPAL’s Peace Bell for the World:Nobel Peace Prize Laureates’ Visions and Actions
Protecting the World’s Cultural Diversity for a Sustainable Future
Puppet Show I International Friendship Day 2020