January 22, 2013

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Sunken Wood Can Develop into Habitats for Microorganisms and Invertebrates

Wood Can Develop into Oases for Deep Sea Life

Scientists from the Max Planck Institute have shown how sunken wood can develop into attractive habitats for a variety of microorganisms and invertebrates due to the activity of bacteria, which produce hydrogen sulfide during wood degradation. Trees do not grow in the deep sea, nevertheless sunken pieces of wood can develop into oases for deep-sea […]

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January 22, 2013

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Ancient DNA Reveals Link between Early Humans & Present-Day Asians and Native Americans

Humans Living 40000 Years Ago in Beijing Are Related to Many Present Day Asians and Native Americans

Analyses of ancient DNA, which had been extracted from the leg bone of an early modern human living some 40,000 years ago near Beijing, revealed that this early modern human was related to the ancestors of many present-day Asians and Native Americans. An international team of researchers including Svante Pääbo and Qiaomei Fu of the […]

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January 22, 2013

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Study Suggests Auroras Occur Outside Our Solar System

Auroras Can Occur Outside Our Solar System

New research from the University of Leicester suggests that processes similar to those which power Jupiter’s auroras could be responsible for radio emissions detected from a number of objects outside our solar system. University of Leicester planetary scientists have found new evidence suggesting auroras – similar to Earth’s Aurora Borealis – occur on bodies outside […]

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January 21, 2013

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Scientists Turn HIV Against Itself, A Possible Step Towards a Cure

Protection from HIV 1 Infection in Human CD4 T Cells

By turning HIV against itself, researchers at the Queensland Institute of Medical Research have demonstrated the ability to stop HIV replication in a laboratory environment. A Queensland Institute of Medical Research scientist has developed a way to use HIV to beat HIV in the laboratory. Associate Professor David Harrich, from QIMR’s Molecular Virology Laboratory, has […]

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January 21, 2013

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Study Shows Four-Stranded ‘Quadruple Helix’ DNA Structure in Human Cells

Four Stranded Quadruple Helix DNA Structure in Human Cells

University of Cambridge scientists have published a new study showing that four-stranded ‘quadruple helix’ DNA structures, known as G-quadruplexes, exist within the human genome. In 1953, Cambridge researchers Watson and Crick published a paper describing the interweaving ‘double helix’ DNA structure – the chemical code for all life. Now, in the year of that scientific […]

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January 21, 2013

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Key Differences in Seemingly Synonymous Parts of the Genetic Code

Arvind Subramaniam

A new study from researchers at Harvard University shows that rates of protein synthesis are affected by environmental perturbations, resulting in certain sequences that manufacture proteins efficiently, while others which are ostensibly identical, produce almost none. Harvard scientists say they’ve solved a mystery that’s nearly as old as science’s understanding of the genetic code. Though […]

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January 21, 2013

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Nanotechnology Dramatically Improves Electronic Device Performance

Ultra Small Devices for Energy Efficient Electronics

A new study from researchers at Tyndall National Institute and the National University of Singapore shows that subtle changes in the intermolecular van der Waals interactions in the active component of a molecular diode can improve the device performance by more than a factor of ten. A team of scientists from Tyndall National Institute at […]

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January 21, 2013

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Tick-Borne Infection Borrelia Miyamotoi Discovered in the United States

Researchers Discover New Tick Borne Infection

Similar to Lyme disease, a new tick-borne infection known as Borrelia miyamotoi has been discovered in people in the United States. A new tick-borne infection that shares many similarities with Lyme disease has been discovered in 18 patients in southern New England and neighboring New York by researchers at the Yale Schools of Public Health […]

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January 21, 2013

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Hubble Views a Busy Patch of the Great Attractor

The Norma Cluster and ESO 137 002

A new image from the Hubble Space Telescope shows part of the Norma Cluster (Abell 3627), spiral galaxy ESO 137-002 and a dense area of the Milky Way. A busy patch of space has been captured in this image from the NASA/ESA Hubble Space Telescope. Scattered with many nearby stars, the field also has numerous […]

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January 21, 2013

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Mars Orbiter Shows McLaughlin Crater May Have Once Held a Groundwater-Fed Lake

A Wet Underground Environment Discovered on Mars

New data from NASA’s Mars Reconnaissance Orbiter suggests that the McLaughlin Crater once held a lake fed by groundwater. Pasadena, California — A NASA spacecraft is providing new evidence of a wet underground environment on Mars that adds to an increasingly complex picture of the Red Planet’s early evolution. The new information comes from researchers […]

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January 18, 2013

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CfA Astronomers Shed New Light on Dust Grains

Image of a Star Formation

A team of astronomers from the Harvard-Smithsonian Center for Astrophysics have completed a series of computations that will shed new light on some of the modern questions in astrochemistry. The ubiquitous clouds of gas and dust found between stars provide the natal material for new stars and planets. These clouds are also dynamic factories that […]

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January 18, 2013

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Video Animation on How a Flu Virus Works

The Flu Virus

This year’s flu, called H3N2, is affecting many people this season and this three minute video with NPR’s Robert Krulwich and medical animator David Bolinsky explains how a flu virus can trick a single cell into making a million more viruses. A lot of you have had it by now, or are having it or […]

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