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Latest UC Berkeley Stories

2011-02-23 11:19:40

Tyrannosaurus rex was an opportunistic feeder, not a top predator, paleontologists say The ferocious Tyrannosaurus rex has been depicted as the top dog of the Cretaceous, ruthlessly stalking herds of duck-billed dinosaurs and claiming the role of apex predator, much as the lion reigns supreme in the African veld. But a new census of all dinosaur skeletons unearthed over a large area of eastern Montana shows that Tyrannosaurus was too numerous to have subsisted solely on the dinosaurs it...

2011-02-16 10:48:19

By Sarah Yang, UC Berkeley The Western fence lizard's reputation for helping to reduce the threat of Lyme disease is in jeopardy. A new study led by researchers at the University of California, Berkeley, found that areas where the lizard had been removed saw a subsequent drop in the population of the ticks that transmit Lyme disease. "Our expectation going into this study was that removing the lizards would increase the risk of Lyme disease, so we were surprised by these findings," said study...

2011-02-15 07:55:00

Physicists propose beaming laser at atmospheric sodium to measure global magnetic field Mapping the Earth's magnetic field "“ to find oil, track storms or probe the planet's interior "“ typically requires expensive satellites. University of California, Berkeley, physicists have now come up with a much cheaper way to measure the Earth's magnetic field using only a ground-based laser. The method involves exciting sodium atoms in a layer 90 kilometers above the surface and measuring...

2011-02-11 22:06:04

Has Valentine's Day become post-racial? Not yet, it seems. New research from the University of California, Berkeley, suggests that when it comes to dating, cyberspace is as segregated as the real world. Data gathered from more than 1 million profiles of singles looking for love online show that whites overwhelmingly prefer to date members of their own race, while blacks, especially men, are far more likely to cross the race barrier in hopes of being struck by Cupid's arrow. UC Berkeley...

2011-02-08 08:50:00

Study by researchers at UC Riverside's College of Engineering Center for Environmental Research and Technology shows real-time eco-driving can cut fuel consumption up to 6 percent Ever wonder how much fuel you can save by avoiding stop-and-go traffic, closing your window, not using air conditioning or coasting toward stops? Research at the University of California, Riverside's College of Engineering Center for Environmental Research and Technology (CE-CERT) can give you the answers. The...

2011-02-08 08:48:52

New experiments at the University of California, Berkeley, may one day lead to anti-viral treatments that involve swallowing Salmonella bacteria, effectively using one bug to stop another. Researchers at UC Berkeley's School of Public Health have reprogrammed Salmonella, the same foodborne pathogen that can cause diarrhea, fever and abdominal cramps, to safely transport virus-stopping enzymes into cells without causing disease. Not only did this technique effectively treat mice infected with...

2011-02-07 07:51:52

Engineers at the University of California, Berkeley, have found a way to grow nanolasers directly onto a silicon surface, an achievement that could lead to a new class of faster, more efficient microprocessors, as well as to powerful biochemical sensors that use optoelectronic chips. They describe their work in a paper published Feb. 6 in an advanced online issue of the journal Nature Photonics. "Our results impact a broad spectrum of scientific fields, including materials science, transistor...

2011-02-01 10:59:44

In a demonstration of "reverse-ecology," biologists at the University of California, Berkeley, have shown that one can determine an organism's adaptive traits by looking first at its genome and checking for variations across a population. The study, published the week of Jan. 31 in the journal Proceedings of the National Academy of Sciences, offers a powerful new tool in evolutionary genetics research, one that could be used to help monitor the effects of climate change and habitat...

2011-01-13 14:57:51

By Robert Sanders, UC Berkeley Analysis method can locate satellite galaxies based on the ripples they create in the hydrogen gas Planet X, an often-sought 10th planet, is so far a no-show, but Sukanya Chakrabarti has high hopes for finding what might be called Galaxy X "“ a dwarf galaxy that she predicts orbits our Milky Way Galaxy. Many large galaxies, such as the Milky Way, are thought to have lots of satellite galaxies too dim to see. They are dominated by "dark matter," which...

2011-01-11 10:33:46

By Robert Sanders, University of California, Berkeley An unusual galaxy with gas jets could explain how starforming galaxies become red and dead University of California, Berkeley, astronomers may have found the missing link between gas-filled, star-forming galaxies and older, gas-depleted galaxies typically characterized as "red and dead." In a poster to be presented this week at the American Astronomical Society meeting in Seattle, UC Berkeley astronomers report that a long-known...

Latest UC Berkeley Reference Libraries

2009-07-14 16:50:21

Einsteinium is a metallic synthetic element with the symbol Es and atomic number 99. It became the seventh transuranic (atomic number higher than 99) element produced. It was named for Albert Einstein. It is an element found within the actinoid series which includes Actinium. Though it has only been produced in small amounts, it has been accurately determined to be silver in coloration. Like all synthetic elements, einsteinium isotopes are highly radioactive and are extremely toxic. Besides...

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