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Category Archives: Physical sciences

Galaxy cluster collision revives “radio phoenix”

The collision of two massive galaxy clusters 1.6 billion light years from Earth revived a radio source in a fading cloud of electrons, creating a “radio phoenix.” The phenomenon was recorded by a team of astronomers including William Dawson of …
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Neutrinos leave mark on early universe

Much of the time, popular stories about science emphasize the broader impact, the implications for the field, what it might mean for our lives. But in reality, science is often about finding that some detail of the universe works the …
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Understanding how cells follow electric fields

Many living things can respond to electric fields, either moving or using them to detect prey or enemies. Weak electric fields may be important growth and development, and in wound healing: it’s known that one of the signals that guides …
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UC Davis plans joint research with Brazil

FAPESP, the São Paulo Research Foundation and UC Davis announced May 12 the launch of a new program to strengthen collaborative research in physical sciences, engineering, biomedical sciences and agriculture within the framework of the cooperation agreement signed by the two …
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First stone laid for Large Synoptic Survey Telescope (LSST)

A new map of the heavens took a big step forward last week as scientists and dignitaries, including Chilean President Michelle Bachelet, laid the first stone for the Large Synoptic Survey Telescope on the 8900-foot summit of Cerro Pachón in …
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Cosmic lens splits supernova into four images

Astronomers using NASA’s Hubble Space Telescope have for the first time spotted four images of the same distant exploding star, arranged in an “Einstein’s Cross,” a cross-shape pattern created by the powerful gravity of a foreground galaxy embedded in a …
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Core work: Iron vapor gives clues to formation of Earth and Moon

By Kat Kerlin Recreating the violent conditions of Earth’s formation, scientists are learning more about how iron vaporizes and how this iron rain affected the formation of the Earth and Moon. The study is published March 2 in Nature Geoscience. …
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Better measures of single molecule circuits

It’s nearly 50 years since Gordon Moore predicted that the density of transistors on an integrated circuit would double every two years. “Moore’s Law” has turned out to be a self-fulfilling prophecy that technologists pushed to meet, but to continue …
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Engineering self-assembling amyloid fibers

Nature has many examples of self-assembly, and bioengineers are interested in copying or manipulating these systems to create useful new materials or devices. Amyloid proteins, for example, can self-assemble into the tangled plaques associated with Alzheimer’s disease — but similar …
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New X-ray technique for surfaces

Surfaces are very interesting to material scientists. The reactions that happen at the point where inside and outside meet, and elements interact with other chemicals or radiation, are important for developing new technology for batteries, fuel cells or photovoltaic panels, …
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