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Tabletop X-Rays Light Up

The pressurized, cylindrical chamber fits in the palm of Margaret Murnane's hand. Yet out of one end of the device comes an X-ray beam that packs almost as much punch as the light generated by massive particle accelerators...

from Nature News

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Evidence That Man Cured of HIV Harbors Viral Remnants Triggers Confusion

Only one person ever has been cured of an HIV infection, and a presentation about the man at a scientific meeting in Sitges, Spain, last week has caused an uproar about the possibility that he's still infected...

from ScienceNOW Daily News

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At Home in the Universe

When Lewis and Clark started exploring the West, they didn't know much about what lay beyond St. Louis. Neither, at first, did astronomers know much about cosmic realms beyond Uranus...

from Science News

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Microbes Beam Electrons to Each Other Via Mineral "Wires"

Bacteria can use minerals in soil as electrical grids, which helps the microbes generate chemicals they need to survive, a new study says. The process involves different bacterial species trading electrons--negatively charged subatomic particles....

from National Geographic News

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Naturally Resistant HIV Foils Therapy

HIV's rapid mutation rates can lead to the evolution of drug resistance in HIV-positive patients receiving antiretroviral therapy, but naturally occurring resistance mutations can also accumulate to establish highly resistant HIV strains, according to new models published today (June 7) in PLoS Computational Biology. If true, the models suggest new interpretation for why HIV drug therapy can fail right off the bat.

from the Scientist (Registration Required)

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Building With Cross-Laminated Timber

Among the many apartment buildings in the London borough of Hackney, the nine-story structure on the corner of Provost Street and Murray Grove stands out, its exterior a mix of white and gray tiles rather than the usual brick. But it's what's underneath the tiles that makes the 29-unit building truly different. From the second floor up, it is constructed entirely of wood, making it one of the tallest wooden residential buildings in the world. ...

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'Open Tree of Life' to Include All Known Species

Scientists are drawing a tree of life that includes every known species. A tree with about two million branches. "I think it is an amazing step forward for our community if it can be pulled off," said Robert P. Guralnick, an expert on evolutionary trees at the University of Colorado, who is not part of the project. ...

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