Using x-rays to reveal the atomic-scale 3-D structures of proteins has led to countless advances in understanding how these molecules work in bacteria, viruses, plants, and humans—and has guided the development of precision ...
Biochemistry
May 03, 2019
3
204
Nanoparticles can be used in many ways as catalysts. To be able to tailor them in such a way that they can catalyse certain reactions selectively and efficiently, researchers need to determine the properties of single particles ...
Nanomaterials
May 03, 2019
0
77
With human and sample-return missions to Mars still on the drawing board, geologists wishing to study the red planet rely on robotic helpers to collect and analyse samples. Earlier this year we said goodbye to NASA's Opportunity ...
Space Exploration
May 02, 2019
0
8
Astronomers have assembled a mosaic of nearly 7,500 images of one part of the sky, creating the largest and most comprehensive history book of the universe.
Astronomy
May 02, 2019
4
1434
Green chemists dream of replicating the reactions of photosynthesis. Of the possible outcomes, one of the most talked about is the ability to make affordable hydrogen fuels from water. In theory, the only by-product of burning ...
Materials Science
May 02, 2019
0
7
The Smithsonian today made available a new online interactive experience that allows users to explore a three-dimensional (3-D) visualization of the remnants of a supernova, or exploded star.
Space Exploration
May 01, 2019
0
14
After two years of intensive work, led by the U.S. Naval Research Laboratory's (NRL) Space Science Division, the design for a conceptual space-based observatory is headed to the National Academies of Science, Engineering ...
Astronomy
Apr 30, 2019
0
71
Based on the results from a set of telescopes, astronomers detected X-ray variability of the source AX J1949.8+2534 and confirmed that the object is a supergiant fast X-ray transient (SFXT). The finding is reported in a paper ...
Colliding a stream of electrons with laser light near an array of tiny silver structures could be the recipe for a new X-ray source that could revolutionize medical imaging and security scanning.
Optics & Photonics
Apr 30, 2019
0
24
On April 10, 2019, the Event Horizon Telescope (EHT) unveiled the first-ever image of a black hole's event horizon, the area beyond which light cannot escape the immense gravity of the black hole. That giant black hole, with ...
Astronomy
Apr 26, 2019
106
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