New Measurements of Toxics and Organics in Tahoe Smoke

To better understand the effects of catastrophic wildfires on the Lake Tahoe ecosystem, UC Davis researchers will install a fourth state-of-the-art air sampler at Lake Tahoe on Monday.

Researchers Engineer Self-Destructing Virus

University of Arizona researchers have sown the seeds of a virus' destruction in its own genetic code – or rather, in the genetic code of the organisms it seeks to infect. Their work could improve both the understanding ...

Physicists Discover New Particle: the Bottom-most 'Bottomonium'

(PhysOrg.com) -- Thirty years ago, particle physics delighted in discovering the "bottomonium" family—the set of particles that contain both a bottom quark and an anti-bottom quark but are bound together with different ...

Long Wait Before Next China Quake?

A new analysis of the setting for May's devastating earthquake in China shows that the quake resulted from faults with little seismic activity--and that similar events in that area occur, on average, only once every 2,000 ...

Methane Formation in the Oceans: New Pathway Discovered

(PhysOrg.com) -- A new pathway for methane formation in the oceans has been discovered, with significant potential for advancing our understanding of greenhouse gas production on Earth, scientists believe.

Station Crew Begins Spacewalk to Retrieve Soyuz Pyro Bolt

International Space Station Commander Sergei Volkov and Flight Engineer Oleg Kononenko began a spacewalk at 2:48 p.m. EDT Thursday to inspect and retrieve an explosive bolt from their Soyuz TMA-12. The bolt will be returned ...

Rare 'Star-Making Machine' Found in Distant Universe

Astronomers have uncovered an extreme stellar machine -- a galaxy in the very remote universe pumping out stars at a surprising rate of up to 4,000 per year. In comparison, our own Milky Way galaxy turns out an average of ...

Forest birds evolved early, DNA shows

(PhysOrg.com) -- Evolution seems to have happened in fits and starts -- at least that's what the fossil record shows. From trilobites to pterodactyls, ammonites to Archaeopteryx, scientists find the same pattern: brief bursts ...

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