Reference Terms
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Raney nickel
Raney nickel is a solid catalyst composed of fine grains of a nickel-aluminium alloy, used in many industrial processes.
Note: The above text is excerpted from the Wikipedia article "Raney nickel", which has been released under the GNU Free Documentation License.
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July 16, 2024
July 16, 2024 — A strange 'garden sprinkler-like' jet coming from a neutron star has been pictured for the first time. The S-shaped structure is created as the jet changes direction due to the wobbling of the disc of hot gas around the star -- a process called ...
July 15, 2024 — Researchers using NASA's James Webb Space Telescope have finally confirmed what models have previously predicted: An exoplanet has differences between its eternal morning and eternal evening atmosphere. WASP-39 b, a giant planet with a diameter 1.3 ...
July 15, 2024 — One of the most important controversies about human evolution and expansion is when and by what route the first hominids arrived in Europe from the African continent. Now, geological dating ...
July 11, 2024 — Using genomes from 2,000 living humans as well as three Neanderthals and one Denisovan, an international team mapped the gene flow between the hominin groups over the past quarter-million ...
Latest Headlines
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July 16, 2024 — In a new analysis of data, researchers have found that taking a daily supplement containing antioxidant vitamins and minerals slows progression of ...
July 16, 2024 — Researchers used machine learning to generate highly detailed maps of over 100 million individual trees from 24 sites across the U.S. These maps ...
July 16, 2024 — A new, large study confirms earlier findings that children with an autistic sibling have a 20% chance of being autistic ...
July 15, 2024 — A new study unveiled a groundbreaking approach to predicting the effectiveness of treatments for patients with Diffuse Large B-Cell Lymphoma (DLBCL), ...
July 16, 2024 — A new study of radar experiment data from the Cassini-Huygens mission to Saturn has yielded fresh insights related to the makeup and activity of the liquid hydrocarbon seas near the north pole of ...
July 16, 2024 — A new global assessment of scientific literature finds that nature-based solutions (NbS) are an economically effective method to mitigate risks from ...
July 16, 2024 — A new technique estimates the reliability of a self-supervised foundation model, like those that power ChatGPT, without the need to know what task that model will be deployed on ...
July 16, 2024 — Researchers examine the specific impacts of microplastics on the geophysics of sea foam formation in the critical zone where water meets air in the top layer of the ocean. They devised two ...
July 16, 2024 — Astronomers have uncovered what appear to be 21 neutron stars in orbit around stars like our Sun. The discovery is surprising because it is not clear how a star that exploded winds up next to a star ...
July 16, 2024 — Delivery systems in body continuously move materials between cells. Hijacking these systems allowed scientists to improve loading and delivery of therapeutic proteins. Biophysical principles could be ...