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3D-printed blossoms a growing tool for ecology

April 17, 2015 10:36 am | by Michelle Ma, Univ. of Washington | Comments

3D printing has been used to make everything from cars to medical implants. Now, Univ. of Washington ecologists are using the technology to make artificial flowers, which they say could revolutionize our understanding of plant-pollinator interactions.

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Gulf health five years after BP spill: Resilient yet scarred

April 17, 2015 10:05 am | by Seth Borenstein And Cain Burdeau, Associated Press | Comments

From above, five years after the BP well explosion, the Gulf of Mexico looks clean, green and whole again, teeming with life: a testament to the resilience of nature. But there's more than surface shimmering blue and emerald to the aftermath of the Deepwater Horizon spill. And it's not as pretty a picture, nor is it as clear.

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DNA “spool” modification affects aging, longevity

April 17, 2015 10:01 am | by Krishan Ramujan, Cornell Univ. | Comments

Research on a modified protein around which DNA is wrapped sheds light on how gene regulation is linked to aging and longevity in nematodes, fruit flies and possibly humans. The research has implications for how gene expression is regulated, and could offer a new drug target for age-related diseases.

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A blueprint for clearing the skies of space debris

April 17, 2015 9:47 am | by RIKEN | Comments

An international team of scientists have put forward a blueprint for a purely space-based system to solve the growing problem of space debris. The proposal combines a super-wide field-of-view telescope and a recently developed high-efficiency laser system, the CAN laser that will be used to track space debris and remove it from orbit.

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Improving rechargeable batteries with MoS2 nano “sandwich”

April 17, 2015 9:00 am | by Jennifer Tidball, Kansas State Univ. | Comments

The key to better cell phones and other rechargeable electronics may be in tiny "sandwiches" made of nanosheets, according to mechanical engineering research from Kansas State Univ. The research team are improving rechargeable lithium-ion batteries. The team has focused on the lithium cycling of molybdenum disulfide, or MoS2, sheets, which Singh describes as a "sandwich" of one molybdenum atom between two sulfur atoms.

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Detector at the South Pole explores the mysterious neutrinos

April 17, 2015 8:51 am | by Univ. of Copenhagen | Comments

Neutrinos are a type of particle that pass through just about everything in their path from even the most distant regions of the universe. The Earth is constantly bombarded by billions of neutrinos, which zip right through everything. Only very rarely do they react with matter, but the giant IceCube experiment at the South Pole can detect when there is a collision between neutrinos and atoms in the ice using a network of detectors.

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China’s thriving export industry comes with a high cost

April 17, 2015 8:35 am | by American Chemical Society | Comments

China has become the world’s largest exporter, leading to the country’s rapid economic development, and notorious pollution that’s harmful to human health. For the first time, scientists have estimated this trend’s health cost. They report in Environmental Science & Technology that in 2007, export-related emissions in China led to almost 160,000 deaths.

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How climate affects biodiversity

April 17, 2015 8:22 am | by Uppsala Univ. | Comments

How does climate change affect the occurrence and distribution of species? This is a key question in the climate debate, and one that is hard to answer without information about natural variation in species abundance. Now researchers from Uppsala Univ. can, for the first time, give us a detailed picture of natural variation through study published in Current Biology.

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Flourishing faster

April 17, 2015 8:16 am | by Univ. of Manchester | Comments

Scientists at The Univ. of Manchester have discovered a way to make trees grow bigger and faster, which could increase supplies of renewable resources and help trees cope with the effects of climate change. In the study, published in Current Biology, the team successfully manipulated two genes in poplar trees in order to make them grow larger and more quickly than usual.

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Zinc deficiency linked to activation of Hedgehog signaling pathway

April 17, 2015 8:03 am | by Mary Martialay, Rensselaer Polytechnic Institute | Comments

Zinc deficiency, long associated with numerous diseases like certain cancers, can lead to activation of the Hedgehog signaling pathway, a biomolecular pathway that plays essential roles in developing organisms and in diseases, according to new research at Rensselaer Polytechnic Institute.

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Instrument prompts researchers to rethink how Mercury formed

April 17, 2015 7:51 am | by Stephen Wampler, Lawrence Livermore National Laboratory | Comments

A versatile instrument developed by Lawrence Livermore National Laboratory scientists and riding on the first spacecraft to ever orbit Mercury is causing researchers to rethink their theories on the planet’s formation. Known as the Gamma-Ray Spectrometer, or GRS, the instrument is part of a suite of seven instruments onboard NASA’s Mercury MESSENGER spacecraft.

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Major advance in artificial photosynthesis poses win-win for the environment

April 16, 2015 12:43 pm | by Lynn Yarris, Lawrence Berkeley National Laboratory | Comments

A potentially game-changing breakthrough in artificial photosynthesis has been achieved with the development of a system that can capture carbon dioxide emissions before they are vented into the atmosphere and then, powered by solar energy, convert that carbon dioxide into valuable chemical products, including biodegradable plastics, pharmaceutical drugs and even liquid fuels.

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Tracing dust samples using fungal DNA

April 16, 2015 12:33 pm | by Matt Shipman, News Services, North Carolina State Univ. | Comments

Researchers from North Carolina State Univ. and the Univ. of Colorado, Boulder, have developed a statistical model that allows them to tell where a dust sample came from within the continental U.S. based on the DNA of fungi found in the sample.

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Patents forecast technological change

April 16, 2015 12:20 pm | by MIT News Office | Comments

How fast is online learning evolving? Are wind turbines a promising investment? And how long before a cheap hoverboard makes it to market? Attempting to answer such questions requires knowing something about the rate at which a technology is improving. Now engineers at Massachusetts Institute of Technology have devised a formula for estimating how fast a technology is advancing, based on information gleaned from relevant patents.

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Brain tumors may be new victims of Ebola-like virus

April 16, 2015 11:55 am | by Bill Hathaway, Yale Univ. | Comments

Brain tumors are notoriously difficult for most drugs to reach, but Yale Univ. researchers have found a promising but unlikely new ally against brain cancers, portions of a deadly virus similar to Ebola. A virus containing proteins found in the Lassa virus not only passed through the formidable blood-brain barrier but destroyed brain tumors in mice, according to research released in the Journal of Virology.

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