Science
An alternative to platinum: Iron-nitrogen compounds as catalysts in graphene
Nano-island of graphene in which iron-nitrogen complexes are embedded. The FeN4 complexes (shown in orange) are catalytically active.
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Researchers from the California NanoSystems Institute at UCLA have created a new technique that greatly enhances digital microscopy images
The image sensor of the wavelength scanning super-resolution apparatus collects a “stack” of images of the sample.
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Designing a pop-up future: Simple origami fold may hold the key to designing pop-up furniture, medical devices and scientific tools
This image shows various shapes made from Miura-ori pattern.
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Microscopic drug 'depots' boost efficacy against tumors in animal model
Biomedical engineering researchers have developed a technique for creating microscopic "depots" for trapping drugs inside cancer tumors. In an animal model, these drug depots were 10 times more effective at shrinking tumors than the use of the same drugs without the depots.
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Highly efficient heavy metal ions filter
In November 2015, Brazil experienced an unparalleled environmental disaster. When two dams broke at an iron ore mine, a poisonous cocktail of heavy metals was sent pouring into the Rio Doce, reaching the Atlantic some days later. The consequences were devastating for nature and humans alike: countless fish, birds and animals died, and a quarter of a million people were left without drinking water.The contaminated water (colored water in vials) is drawn through the hybrid membrane by negative pressure; the heavy metal ions (red spheres) bind to the protein fibers in the process. The filtered water is of drinking quality.
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Flexible and transparent pressure sensor
The pressure sensors wrap around and conform to the shape of the fingers while still accurately measuring pressure distribution.
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Weaving a New Story for COFS and MOFs
There are many different ways to make nanomaterials but weaving, the oldest and most enduring method of making fabrics, has not been one of them – until now. An international collaboration led by scientists at the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California (UC) Berkeley, has woven the first three-dimensional covalent organic frameworks (COFs) from helical organic threads. The woven COFs display significant advantages in structural flexibility, resiliency and reversibility over previous COFs – materials that are highly prized for their potential to capture and store carbon dioxide then convert it into valuable chemical products.
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Seeing the big picture in photosynthetic light harvesting: Berkeley Lab researchers create first multiple antennae model of photosystem II
The new model simulates light-harvesting across several hundred nanometers of a thylakoid membrane, which is the membrane within a chloroplast that harbors photosystem II (PSII), a complex of antennae made up of mostly of chlorophyll-containing proteins. The antennae in PSII gain "excitation" energy when they absorb sunlight and, through quantum mechanical effects, almost instantaneously transport this extra energy to reaction centers for conversion into chemical energy. Previous models of PSII simulated energy transport within a single antenna protein.
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Flying in the Dark? NAMRU-D’s Night Vision Simulation Lab to Benefit Aviators
We sometimes take our five senses for granted, especially our vision. As our most utilized sense, vision gives us accurate information about our environment, where we are within it, and how it changes as we move. Most don’t give this sense a second thought, until our vision is degraded.
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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