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heterochromatin, Genome, Cell Biology

Researchers Find New Mechanism for Genome Regulation

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The same mechanisms that separate mixtures of oil and water may also help the organization of an unusual part of our DNA called heterochromatin, according to a new study by Berkeley Lab researchers. They found that liquid-liquid phase separation helps heterochromatin organize large parts of the genome into specific regions of the nucleus. The work addresses a long-standing question about how DNA functions are organized in space and time, including how genes are silenced or expressed.

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NASA, Hubble Space Telescope, Advanced Camera For Surveys, Wide Field Camera 3, Galaxy Evolution, distant galaxies, Gravitational Lensing, dead disk galaxy, elliptical galaxies, spiral galaxies, CLASH galaxies multi-wavelength survey, MACS J2129-0741, MACS2129-1, Galaxy Cluster

Hubble Captures Massive Dead Disk Galaxy That Challenges Theories of Galaxy Evolution

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Astronomers combined the power of a “natural lens” in space with the capability of the Hubble Space Telescope to make a surprising discovery—the first example of a compact yet massive, fast-spinning, disk-shaped galaxy that stopped making stars only a few billion years after the big bang. Researchers say that finding such a galaxy so early in the history of the universe challenges the current understanding of how massive galaxies form and evolve.

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Ultrasound, high-intensity focused ultrasound (HIFU), bone, Noninvasive, Ultrasonography, Imaging, Skull, rib cage, working around bone, Jean-François Aubry, CNRS, Acoustics ’17 , Acoustics ’17 Boston

EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 26-Jun-2017 11:00 AM EDT

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Tonopah, test range, non-nuclear testing

Upgrades at Sandia’s Tonopah Test Range Help Weapons Testing

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It’s been a challenge for Sandia National Laboratories' Tonopah Test Range to keep decades-old equipment running while gathering detailed information required for 21st century non-nuclear testing. The Nevada test range has changed the analog brains in instruments to digital, moved to modern communications systems, and upgraded telemetry and tracking equipment and computing systems.

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Public Health, Vaccine, Influenza, Risk Assessment

Yarraman Flu or Horse Flu? Words and Graphics Influence Willingness to Vaccinate

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“Yarraman flu is a virus quickly infecting the US…” The mock announcement was enough to make readers worry. But when the name of the hypothetical illness was changed to “horse flu”, readers reported being less motivated to get a vaccine that would prevent them from contracting the illness. Based on a survey of 16,510 participants from 11 countries, the findings show that the way health information is communicated, matters. The multi-institutional investigation appeared in Emerging Infectious Diseases.

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Geography Research, Forestry Research, Forestry, oak trees, oak forests, white oaks, environmental adaptation

Geography Faculty Members Earn NSF Grant to Study Oak Forests

Three geography faculty members have received a National Science Foundation (NSF) Research in Undergraduate Institutions (RUI) award of $232,099 for a collaborative research project to assess the environmental and human drivers and the cultural dimension of changes in oak forests in the eastern United States.

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E. Coli Bacteria, Water Safety, Water Quality, fecal pollution, beach closings

New Research From University of Wisconsin-Milwaukee Could Prevent Unnecessary Beach Closings

New research shows E. coli may not be the best indicator of recent fecal pollution because it can survive and proliferate in beach sand. Using it as a warning sign to close beaches may result in more closings than are actually needed.

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Echolocation, human echolocation, echoes, Visually Impaired, Blind, orientation and mobility, Bo N. Schenkman, KTH Royal Institute of Technology, Acoustics ’17 Boston

EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 25-Jun-2017 10:45 AM EDT

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Southern Research Probe of Zika Virus Looks Into ‘Rebound Virus’

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Southern Research scientists are investigating how the Zika virus is able to find a safe harbor in an infected host’s tissue and stage a rebound weeks after the virus was seemingly cleared by the immune system.

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Education

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Risk Analysis, Scholarship, Climate Change, Resilience, Electricity Consumption, Electricity

Three Honored by Society for Risk Analysis European Chapter

The Society for Risk Analysis European Chapter (SRA-E) awarded three prestigious scholarships at its Annual Conference in Lisbon, Portugal. These awards recognize individuals for their outstanding contributions to the study and science of risk analysis.







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