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PhysOrg.com
Science & Technology News

Phys.org - latest science and technology news stories
Tue, 28 Feb 2017 15:26:24 +0100


Study finds secret to diverse forests' super success
We've long known that diverse stands of trees tend to be more productive than monocultures. What we haven't known is why. In a paper published today in the scientific journal Nature Ecology & Evolution, researchers from the University of Minnesota and Université du Québec à Montréal show the talent behind the trait: Thanks to their natural different growth forms and ability to modify their shape to fit the available space, multiple species are able to fill in vertical gaps with branches and leaves. This maximizes their combined ability to soak up the sun falling on a particular plot of land and turn it into tree—absorbing planet-warming carbon dioxide and producing wood in the process.
Tue, 28 Feb 2017 08:44:29 EST

Somali president declares 'national disaster' over drought
Somali's newly elected President Mohamed Abdullahi Mohamed on Tuesday declared a "national disaster" due to severe drought which aid agencies say has left some three million in crisis.
Tue, 28 Feb 2017 08:40:22 EST

Marshall Islands first to ratify HFC greenhouse gas deal
The Marshall Islands, a Pacific archipelago highly exposed to climate-induced sea level rise, said Tuesday it was the first country to ratify a global pact to phase out planet-warming gases called HFCs.
Tue, 28 Feb 2017 08:38:05 EST

Deuterium and tritium separated using a functionalized metal-organic framework compound
Deuterium and tritium are substances with a future - but they are rare. The heavy isotopes of hydrogen not only have numerous applications in science but could also contribute to the energy mix of tomorrow as fuels for nuclear fusion. Deuterium is also contained in some drugs that are currently undergoing regulatory approval in the US. However, the process of filtering deuterium out of the natural isotopic mixture of hydrogen is at present both difficult and expensive. Scientists from the Max Planck Institute for Intelligent Systems, the Max Planck Institute for Solid State Research, the University of Leipzig, Jacobs University Bremen, the University of Augsburg, and Oak Ridge National Laboratory (USA) may be able to remedy this problem. They have presented a metal-organic framework compound that can be used to separate the two isotopes from normal hydrogen more efficiently than previous methods.
Tue, 28 Feb 2017 08:35:50 EST

'Smart handpumps' predict depths of groundwater in Africa
Researchers from the University's Department of Engineering Science and the School of Geography and the Environment believe they have discovered a new way of accurately estimating ground water resources in Africa, using low-cost mobile technologies fitted to existing hand pumps.
Tue, 28 Feb 2017 08:35:34 EST


Brightsurf Science News and Current Science Events
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PhysOrg.com General Science News

Phys.org - latest science and technology news stories
Tue, 28 Feb 2017 15:26:27 +0100


Study finds secret to diverse forests' super success
We've long known that diverse stands of trees tend to be more productive than monocultures. What we haven't known is why. In a paper published today in the scientific journal Nature Ecology & Evolution, researchers from the University of Minnesota and Université du Québec à Montréal show the talent behind the trait: Thanks to their natural different growth forms and ability to modify their shape to fit the available space, multiple species are able to fill in vertical gaps with branches and leaves. This maximizes their combined ability to soak up the sun falling on a particular plot of land and turn it into tree—absorbing planet-warming carbon dioxide and producing wood in the process.
Tue, 28 Feb 2017 08:44:29 EST

Somali president declares 'national disaster' over drought
Somali's newly elected President Mohamed Abdullahi Mohamed on Tuesday declared a "national disaster" due to severe drought which aid agencies say has left some three million in crisis.
Tue, 28 Feb 2017 08:40:22 EST

Marshall Islands first to ratify HFC greenhouse gas deal
The Marshall Islands, a Pacific archipelago highly exposed to climate-induced sea level rise, said Tuesday it was the first country to ratify a global pact to phase out planet-warming gases called HFCs.
Tue, 28 Feb 2017 08:38:05 EST

Deuterium and tritium separated using a functionalized metal-organic framework compound
Deuterium and tritium are substances with a future - but they are rare. The heavy isotopes of hydrogen not only have numerous applications in science but could also contribute to the energy mix of tomorrow as fuels for nuclear fusion. Deuterium is also contained in some drugs that are currently undergoing regulatory approval in the US. However, the process of filtering deuterium out of the natural isotopic mixture of hydrogen is at present both difficult and expensive. Scientists from the Max Planck Institute for Intelligent Systems, the Max Planck Institute for Solid State Research, the University of Leipzig, Jacobs University Bremen, the University of Augsburg, and Oak Ridge National Laboratory (USA) may be able to remedy this problem. They have presented a metal-organic framework compound that can be used to separate the two isotopes from normal hydrogen more efficiently than previous methods.
Tue, 28 Feb 2017 08:35:50 EST

'Smart handpumps' predict depths of groundwater in Africa
Researchers from the University's Department of Engineering Science and the School of Geography and the Environment believe they have discovered a new way of accurately estimating ground water resources in Africa, using low-cost mobile technologies fitted to existing hand pumps.
Tue, 28 Feb 2017 08:35:34 EST


Science Daily

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American Council on Science and Health
 
NASA Breaking News


NASA Breaking News
Tue, 28 Feb 2017 15:26:28 +0100

NASA Statement About SpaceX Private Moon Venture Announcement
NASA statement on SpaceX’s announcement Monday about a private space mission around the moon.
Mon, 27 Feb 2017 18:45 EST

NASA Wind Tunnel Tests Lockheed Martin’s X-Plane Design for a Quieter Supersonic Jet
Supersonic passenger airplanes are another step closer to reality as NASA and Lockheed Martin begin the first high-speed wind tunnel tests for the Quiet Supersonic Technology (QueSST) X-plane preliminary design at NASA’s Glenn Research Center in Cleveland.
Fri, 24 Feb 2017 11:22 EST

NASA to Hold Media Teleconference Today on Study to Add Crew to First Orion, Space Launch System Mission
NASA will discuss plans for an ongoing study to assess the feasibility of adding a crew to Exploration Mission-1, the first integrated flight of NASA’s Space Launch System (SLS) rocket and Orion spacecraft, during a media teleconference at 1 p.m. EST today, Friday, Feb. 24. The call will stream live on NASA’s website.
Fri, 24 Feb 2017 09:02 EST

NASA Invites Media to Next Test of Orion Spacecraft Parachutes
NASA is inviting media to attend a test of the Orion spacecraft’s parachutes on Wednesday, March 8, at the U.S. Army’s Yuma Proving Ground in Arizona. Orion is scheduled for its second airdrop test, in a series of eight, to qualify the parachute system for crewed flights.
Thu, 23 Feb 2017 14:09 EST

NASA Women ‘Introduce a Girl to Engineering' Event set for Thursday
NASA celebrates National Engineer Week and Girl's Day with a series of events.
Wed, 22 Feb 2017 17:57 EST

NASA Establishes New Public-Private Partnerships to Advance U.S. Commercial Space Capabilities
NASA is partnering with eight U.S. companies to advance small spacecraft and launch vehicle technologies that are on the verge of maturation and are likely to benefit both NASA and the commercial space market.
Wed, 22 Feb 2017 16:08 EST

NASA Telescope Reveals Largest Batch of Earth-Size, Habitable-Zone Planets Around Single Star
NASA's Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are firmly located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water.
Wed, 22 Feb 2017 13:00 EST

NASA to Host News Conference on Discovery Beyond Our Solar System
NASA will hold a news conference at 1 p.m. EST Wednesday, Feb. 22, to present new findings on planets that orbit stars other than our sun, known as exoplanets. The event will air live on NASA Television and the agency's website.
Mon, 20 Feb 2017 11:00 EST

NASA Cargo Headed to Space Station Includes Important Experiments, Equipment
Major experiments that will look into a range of scientific disciplines from human health to atmospheric conditions on Earth are on their way to the International Space Station following liftoff at 9:39 a.m. EST aboard a SpaceX Falcon 9 rocket.
Sun, 19 Feb 2017 10:20 EST

NASA’s Juno Mission to Remain in Current Orbit at Jupiter
NASA’s Juno mission to Jupiter, which has been in orbit around the gas giant since July 4, 2016, will remain in its current 53-day orbit for the remainder of the mission.
Fri, 17 Feb 2017 11:00 EST

 
Brightsurf Science News : Top Science News Articles
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Scientific American.com: Latest News
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ooBdoo Science News

 


PhysOrg.com
Physics News

Physics News - Physics News, Material Sciences, Science News, Physics
Tue, 28 Feb 2017 15:26:30 +0100


FLASHForward accelerates first electron bunches
The plasma accelerator project FLASHForward achieved an important milestone in January: for the first time, the facility's high-power laser accelerated electron bunches in a plasma cell. Later in the operational phase, the laser will control the formation of the plasma at FLASH. The group of scientists around DESY's Jens Osterhoff used the laser to ignite a plasma, from which electrons were accelerated to energies of around 100 mega-electronvolts within a distance of just a few millimetres. This allows important pre-experiments for the planned beam-driven plasma experiment. As of the second half of this year, the FLASHForward scientists want to use the FLASH electron beam to generate a plasma in a plasma cell in order to further accelerate other electron bunches from the FLASH particle accelerator or electron bunches which are formed in the plasma itself.
Tue, 28 Feb 2017 08:30:01 EST

Scientists find evidence for light-by-light scattering, long standing prediction of the Standard Model
Scientists from the ATLAS collaboration at the LHC have found evidence for light-by-light scattering, in which two photons interact and change their trajectory. Researchers from DESY, the Johannes Gutenberg University Mainz and the AGH University of Science and Technology in Krakow performed the study.
Tue, 28 Feb 2017 07:53:43 EST

New droplet-on-tape method assists biochemical research at X-ray lasers
Biological samples studied with intense X-rays at free-electron lasers are destroyed within nanoseconds after they are exposed. Because of this, the samples need to be continually refreshed to allow the many images needed for an experiment to be obtained. Conventional methods use jets that supply a continuous stream of samples, but this can be very wasteful as the X-rays only interact with a tiny fraction of the injected material.
Tue, 28 Feb 2017 07:52:47 EST

PICO dark matter detector more sensitive than expected
Although invisible to our telescopes, dark matter is known by its gravitational effects throughout the universe. The nature of dark matter is unknown, but the consensus of the astrophysics and particle physics communities is that the dark matter is composed of new fundamental particles, associated with an unknown area of physics. To detect this dark matter, scientists are using instruments called bubble chambers, among other strategies. And now a team has made one that has the world's best sensitivity to date, coming in at 17 times that of its most recent predecessor.
Tue, 28 Feb 2017 07:10:04 EST

Existence of a new quasiparticle demonstrated
How do molecules rotate in a solvent? Answering this question is complicated, since molecular rotation is perturbed by a very large number of surrounding atoms. For a long time, large-scale computer simulations have been the main approach to model molecule-solvent interactions. However, they are extremely time consuming and sometimes infeasible. Now, Mikhail Lemeshko from the Institute of Science and Technology Austria (IST Austria) has proven that angulons—a certain type of quasiparticle he proposed two years ago—do, in fact, form when a molecule is immersed in superfluid helium. This offers a quick and simple description for rotation of molecules in solvents.
Tue, 28 Feb 2017 05:16:11 EST


BBC News
Science/Nature


BBC News - Science & Environment
Tue, 28 Feb 2017 14:50:48 +0100


Nest-boxes no substitute for tree cavities, says study
Artificial nests have a markedly different microclimate from tree cavities, a study suggests.
Tue, 28 Feb 2017 01:18:33 GMT

'Oldest' Iron Age gold work in Britain found in Staffordshire
A British Museum expert says the Leekfrith Iron Age Torcs are of international importance.
Tue, 28 Feb 2017 09:16:56 GMT

UK 'must insulate 25 million homes'
Huge numbers of draughty homes could stop it meeting emissions targets by 2050, a report says.
Tue, 28 Feb 2017 00:07:22 GMT

Fears for environment as automatic legal 'cost cap' scrapped
Environmental groups have launched a legal challenge to the government's rule change.
Tue, 28 Feb 2017 10:40:41 GMT

Bread's environmental costs are counted
The environmental impact of producing a loaf of bread has been analysed in depth - from the farm to the supermarket shelf.
Mon, 27 Feb 2017 17:26:36 GMT

From bbc.co.uk/news



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Underwater Times.Com : News of the Underwater World


Risky roundup: US Navy dolphins to help capture critically endangered Mexican porpoises; 'Only about 30 vaquita remaining'

Tue, 28 Feb 2017 13:38:47 +0100

Scuba diver finds 200-year-old bottle on bottom of River Severn

Tue, 28 Feb 2017 13:38:47 +0100

California on Alert: Great white sharks spotted off two Orange County beaches; swimming ban in effect

Tue, 28 Feb 2017 13:38:47 +0100

How a Japanese and Indian Team of Engineers Came Together to Trace the Missing Dolphins of Ganga

Tue, 28 Feb 2017 13:38:47 +0100

Brave tourist puckers up for a smooch with a whale that surfaced unbelievably close to a sightseeing boat

Tue, 28 Feb 2017 13:38:47 +0100


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