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Computer student on gesture control: Start experimenting

March 25, 2015 - 3:05am
Back in 2012, authors from Microsoft Research and UbiComp Lab at University of Washington prepared their paper, "SoundWave: Using the Doppler Effect to Sense Gestures," for the Proceedings of the Association for Computing Machinery's Conference on Human Factors in Computing Systems. Their work created a lot of interest in the way that they managed to implement motion sensing using only speaker and mic. Sidhant Gupta, Dan Morris, Shwetak Patel, Desney Tan said that "Gestures are becoming an increasingly popular means of interacting with computers. but—it is still relatively costly to deploy robust gesture-recognition sensors in existing mobile platforms." Enter their SoundWave, a technique that leveraged speaker and microphone for sensing in-air gestures and motion around a device.

Music to the ears of dementia suffers: learning to play saxophone after diagnosis

March 24, 2015 - 10:07am
Researchers have revealed details of an usual case that offers new insights into frontotemporal dementia (FTD). The story revolves around a patient who, with no prior musical training, learned to play the saxophone after being diagnosed with a behavioural variant of FTD.

3.5 Magnitude Earthquake Shakes Central California

March 24, 2015 - 7:57am

CBS San Francisco Connect With Us At KPIX 5 PROGRAM GUIDE: KPIX 5 TV Schedule WATCH: A Glimpse Inside The Working KPIX 5 Newsroom Breaking News Send news tips, video & photos, and video to the KPIX 5 [...] CONNECT WITH KCBS Welcome to KCBS All News 740AM & 106.9FM on CBSSanFrancisco.com! LISTEN LIVE RIGHT NOW: KCBS Live Audio Stream LIKE KCBS Radio On Facebook: KCBS is the Bay Area's only all news station, serving listeners with [...] TEHACHAPI, Calif. - The U.S. Geological Survey says a magnitude 3.5 earthquake has struck in Central California.

Comparing the Baltic Sea, Chesapeake Bay helps protect both marine areas

March 24, 2015 - 6:45am
Shallow basin of brackish water. Large catchment area in relation to size. Poor water quality despite reduced external nutrient load. This description sounds familiar to people living in both the Chesapeake Bay area in the U.S. and the Baltic Sea area. The similarities provided a list of recommended protection measures to decision-makers.

Comparing the Baltic Sea and Chesapeake Bay helps protect both marine areas

March 24, 2015 - 6:23am
Shallow basin of brackish water. Large catchment area in relation to size. Poor water quality despite reduced external nutrient load. This description sounds familiar to people living in both the Chesapeake Bay area in the U.S. and the Baltic Sea area. The similarities provided a list of recommended protection measures to decision-makers.

Chemists discover temporary phases of chemical structures

March 24, 2015 - 5:20am
The research group of Prof. Tomislav Friščić in McGill's Department of Chemistry has made a name for itself in the little-known, but growing field of "mechanochemistry," in which chemical transformations are produced by milling, grinding or shearing solid-state ingredients – brute force, in other words, rather than fancy liquid agents. "Your coffee maker grinds things," and grinding molecules in the lab involves much the same principle, Friščić notes. Using mechanical force also has the significant advantage of avoiding the use of environmentally harmful bulk solvents.

YouTube debuts videos for second music awards

March 24, 2015 - 1:20am
YouTube on Monday premiered videos from 14 musicians as it tried a new, virtual-only format for the second edition of its music awards.

A rehearsal space with musicians 2,700 kilometers apart from each other

March 23, 2015 - 11:50am
Making concerts possible with musicians separated by vast distances with minimal latency - delay between a musical performance and listening or recording - is the aim of a joint project of the Supercomputing Centre of Galicia and the University of Santiago de Compostela. For this purpose, live demonstration experiments have been conducted with professional musicians using pioneering music technologies in Europe.

High court will hear DirecTV appeal over termination fees

March 23, 2015 - 9:47am
The Supreme Court will consider whether satellite provider DirecTV can cut off a class action lawsuit and force customers suing over early termination fees into private arbitration hearings instead.

The Science of TED 2015

March 23, 2015 - 8:00am
What I love about the annual TED gathering in Vancouver is the way science coexists along with art, social justice, popular song and the rest of TED's eclectic mix.

-- Read more on ScientificAmerican.com

Frenchman fights to make Gabon a gorilla haven

March 23, 2015 - 6:10am
Hearing the dreaded sound of human footsteps, three enormous gorillas jump down from the branches of central Gabon's lush rainforests and rush off into the distance.

Stalking the sweet-singing, reclusive wood thrush

March 23, 2015 - 5:23am
The wood thrush's song is one of the most beautiful among eastern birds, and its flute-like warble is one of the reasons Vitek Jirinec picked this species to study.

Tasty Mist You Suck Through A Straw? | Video

March 20, 2015 - 1:41pm
Experimental food company Lick Me I'm Delicious has created an Edible Mist Machine based on ultrasonic vaporization tech. Using a straw, tasters can sample more than 200 flavors of edible mist.

The Guardian declares war on climate change

March 20, 2015 - 12:55pm

This story is reproduced here as part of the Climate Desk collaboration.

After 20 years at the helm of one of the United Kingdom’s most influential newspapers, Alan Rusbridger is about to step down as editor of the Guardian. He’s not going quietly: In an op-ed a couple weeks ago, Rusbridger pledged to use his waning weeks to launch a full-out war on climate change:

So, in the time left to me as editor, I thought I would try to harness the Guardian’s best resources to describe what is happening … For the purposes of our coming coverage, we will assume that the scientific consensus about man-made climate change and its likely effects is overwhelming. We will leave the sceptics and deniers to waste their time challenging the science. The mainstream argument has moved on to the politics and economics …

We will look at who is getting the subsidies and who is doing the lobbying. We will name the worst polluters and find out who still funds them. We will urge enlightened trusts, investment specialists, universities, pension funds, and businesses to take their money away from the companies posing the biggest risk to us. And, because people are rightly bound to ask, we will report on how the Guardian Media Group itself is getting to grips with the issues.

The Guardian, a Climate Desk partner, is no stranger to global warming reporting. It was the first daily paper in the U.K. to institute a dedicated section for environment coverage. The paper has extensively covered international climate negotiations, fracking on both sides of the Atlantic, and the latest climate science, while also pouring resources into lush interactive web features. But its new initiative promises to go even further.

The series kicked off with a pair of excerpts from author and activist Naomi Klein’s recent book on the tension between capitalism and the climate crisis. Over the next few months, it will include investigative features, daily news stories, videos and podcasts, and even original artwork and poetry. The pieces will appear not just on the paper’s environment pages, but across all sections, from business and tech to lifestyle and the arts. The overarching idea is that from now until Rusbridger’s departure in June, any climate story that any reporter has had kicking around, but has never had time to tackle, will get priority treatment.

But the centerpiece is all about the penultimate sentence in the excerpt above: “We will urge … ” This week, the Guardian kicked off a petition calling on the world’s two largest charitable organizations, the Gates Foundation and the Wellcome Trust, to divest their financial holdings from the world’s 200 top fossil fuel companies. As of Thursday afternoon, the petition had gathered over 100,000 signatures, and earned the support of the country’s energy minister.

If that sounds a lot like straight-up activism, that’s because it is.

Rusbridger proposed the petition a few months ago at a meeting that included a who’s-who of the paper’s top editors, designers, and website coders, said James Randerson, an assistant national news editor who handles climate reporting.

“There were some voices who questioned whether a campaign was the best use of the Guardian’s voice,” Randerson said, “because the Guardian is about reporting and uncovering things that people can use in advancing an agenda.” But Rusbridger’s argument, Randerson said, was: “We’ve tried to do that for quite a while, and we needed to do something that had a bit more cut-through. We felt that it was time to take that step.”

The idea of a newspaper undertaking an openly activist campaign straight from the playbook of Greenpeace or the Sierra Club might seem strange to American audiences, who are accustomed to news outlets at least purporting to adhere to some degree of journalistic objectivity. But in the U.K., newspapers taking a step across the line between news and activism is, well, less newsworthy. In 2014 the Guardian waged a similar campaign against female genital mutilation. Prior to the 2009 U.N. Climate Summit in Copenhagen, the Guardian convinced 56 newspapers from around the globe to publish a front-page editorial calling for climate action. Randerson also characterized the paper’s extensive reporting on Edward Snowden and the National Security Agency as a kind of unofficial campaign against state surveillance. And the Times of London has an ongoing campaign to promote safety for urban cyclists, inspired by an accident that nearly killed one of its reporters.

Randerson said the campaign won’t dampen the editorial rigor applied to reporting, editing, and fact-checking news stories.

Is it time for the Washington Post and the New York Times to launch climate petitions of their own? Randerson wouldn’t say, but he did argue that especially in the United States, “The media have not done a service to their readers in explaining what’s really at stake here.”

Now we get a chance to see if a more direct approach does the trick.


Filed under: Article, Climate & Energy

The Obama admin is finally going to green up its fossil fuel leasing, but how much?

March 20, 2015 - 2:49am

Interior Secretary Sally Jewell promised in a speech on Tuesday that her department, after years of handing out fossil fuel leases at bargain basement prices, would embark on a green reform agenda. Climate activists made encouraging noises after the speech, but it’s not clear how encouraged they actually should be.

The Department of Interior (DOI) has completely ignored the climate impact of its programs like selling leases to mine for coal or drill for oil on federal land. Now, Jewell says, DOI will start considering mitigating climate change in its management of federal lands:

As the person entrusted with America’s biggest land management portfolio, I’ve … got to ask questions like: What are we doing to achieve a low-carbon future? Are we striking the right balance between conservation and development? What measures do we need in place for our land, water, and climate today to protect the families of tomorrow?

These are, indeed, questions the interior secretary should ask herself. They should have been asked, though, by her predecessor, Ken Salazar, upon his appointment in 2009. They should have been asked by Jewell upon her confirmation two years ago. It’s already more than six years into the administration of a president who has promised to tackle climate change. During those six years, DOI — often at the White House’s behest — has been selling off record amounts of oil and gas to be drilled from federal lands and waters by private companies.

It has also sold coal leases for an average price of $1.03 per ton of coal — way below the market price of coal, which currently ranges from $11.55 to $61.15 per ton. It’s also far below the government’s own cost estimate for the environmental damage caused by burning the coal; the social cost of the carbon pollution from a ton of coal is $22 to $237, according to the Obama administration’s figures. Two environmental groups, finally fed up with DOI charging vastly less than it should for coal leases, filed suit in December to force the issue.

Jewell didn’t say on Tuesday how the pricing system for coal leases would be reformed, nor how other parts of the program would be changed, nor when — just that reform is on the agenda.

She was slightly more specific about forthcoming rules intended to protect local air and water from contamination by drilling and mining:

In the coming days, we will release a final rule related to hydraulic fracturing — or fracking — on public lands. The rule will include measures to protect our nation’s groundwater — requiring operators to construct sound wells, to disclose the chemicals they use, and to safely recover and handle fluids used in the process.

In the coming months, we will also propose standards to cut methane emissions and wasted gas that result from venting and flaring during oil and gas operations. …

And further addressing the impacts of energy development, we’re moving forward with a proposal to modernize the way coal mining operations protect community water sources, and make sure companies restore streams and forests to a healthy condition. …

And in the Arctic, we just released a proposal to make sure that any oil and gas exploration offshore Alaska is subject to strong standards specifically tailored to the region’s challenging and unforgiving conditions.

That’s all less impressive than it sounds. Take the rules for fracking on public lands. Drafts of the rules have been released over the past couple of years, and the Natural Resources Defense Council notes that the “administration has progressively weakened” them, leaving them “woefully inadequate to protect public health, drinking water, or the environment.” It’s unclear whether the long-overdue final rules will be an improvement over the drafts, but Jewell herself has given greens reason to be pessimistic. As NRDC wrote in a recent blog post, “We’re concerned because Secretary Jewell recently said the new rules will be ‘minimal’ — and even acknowledged they will be weaker than some states.” [UPDATE: The fracking rules have now been released, and they are indeed disappointing.]

The administration’s recent Arctic drilling proposal was a big disappointment too — precisely because it allows Arctic drilling. “There’s no such thing as safe and responsible drilling, especially in the Arctic, so you can’t make that OK through some new rulemaking,” says Marissa Knodel, climate change campaigner at Friends of the Earth.

And when it comes to reforming the coal leasing program, environmentalists are unlikely to get what they really want: an immediate moratorium on all coal leasing. Some groups would settle for a much higher price that reflects the social cost of carbon, which would make it uneconomical for companies to mine coal on federal land. What’s more likely, though, is incremental price increases that let some mining continue.

But Jewell’s speech, despite its vagueness and many rhetorical and substantive concessions to fossil fuel companies, was praised by leading environmental organizations across the spectrum.

“Today’s speech from Secretary Jewell provides a critical signal that our leaders are getting serious about federal coal lease reform,” said Athan Manuel, director of the Sierra Club’s land protection program, in a statement. “Importantly, Secretary Jewell acknowledges that the coal program is inconsistent with President Obama’s climate objectives and that in order to protect our children’s health, we must keep dirty fuels in the ground and reform the outdated program.” This may sound overly enthusiastic, but even leftier Greenpeace sounded a positive, if slightly less effusive, note. “We welcome Secretary Jewell’s call for an open conversation about the federal coal program and how it can be managed in a way that is consistent with our climate change objectives,” said Greenpeace coal campaigner Diana Best in her group’s statement.

Environmentalists’ praise seems to be in reaction to a few key lines Jewell said about coal:

I think most Americans would be surprised to know that coal companies can make a winning bid for about a dollar a ton to mine taxpayer-owned coal.

Coal is going to continue to be an important part of our nation’s energy mix in the future. But the Government Accountability Office, our Inspector General, and Members of Congress from both sides of the aisle agree that the federal coal program needs reform.

We need to ask ourselves: Are taxpayers and local communities getting a fair return from these resources? How can we make the program more transparent and more competitive? How do we manage the program in a way that is consistent with our climate change objectives? These are hard questions. But it’s time for an honest and open conversation about modernizing the federal coal program.

Again, Jewell is offering more questions than answers — but activists are relieved that the questions are at least finally being asked.

Manuel of the Sierra Club notes that Jewell also said, “Helping our nation cut carbon pollution should inform our decisions about where we develop, how we develop, and what we develop.” Sierra Club hopes that will mean DOI limits the total amount of coal leasing. “Ultimately you’ll see less coal leased,” Manuel predicts. “They probably would declare some areas off-limits because it’s just irresponsible to put some areas on the market.”

“I think the reason there’s been mostly positive reaction is it’s the first time she’s acknowledged the incompatibility [of coal leasing] with the president’s climate ambitions,” says Greenpeace spokesman Joe Smyth. “If it just turns out to be minor changes to royalty rates, that’s not reform, it’s just window dressing.”

On Thursday, after Obama directed federal agencies to reduce carbon emissions through efficiency and clean energy, Greenpeace took the opportunity to point out the big, obvious way the federal government could slash emissions even more: “his administration needs to get serious about the federal government’s much bigger carbon problem — fueling the climate crisis by giving away our coal, oil, and gas from federal lands and waters,” said Greenpeace climate and energy campaign director Kelly Mitchell. “President Obama and Interior Secretary Jewell can take immediate steps that would have a real impact: rejecting Shell’s plans to drill for oil in the Arctic and putting a moratorium on the sale of federal coal.”

They’re not the only ones with advice for Obama and Jewell. Also on Thursday, the Center for American Progress and the Wilderness Society issued a report saying that the federal fossil fuel leasing programs threaten to undermine Obama’s climate progress altogether. “The U.S. Department of the Interior, which has jurisdiction over the nation’s public lands, has no comprehensive plan to measure, monitor and reduce the total volume of greenhouse gas emissions that result from the leasing and development of federal energy resources,” the report notes.

Optimists see Jewell’s Tuesday speech as a sign that the Obama administration is finally moving in the right direction. “We know we won’t get [a full ban on coal leasing] in one big swing,” says Manuel. “It’s going to take a sustained rally to do this.”


Filed under: Article, Business & Technology, Climate & Energy, Politics

Streaming revenue edges out CDs in US

March 19, 2015 - 1:22pm
Streaming has topped CD sales in revenue for the first time in the United States as music listeners flock to on-demand services and Internet radio, industry figures showed.

Music’s Physiological Effects Transcend Culture

March 19, 2015 - 12:34pm
People in the Congo rainforests or in Montreal tended to react to the same piece of music in strikingly similar ways. Andrea Alfano reports

-- Read more on ScientificAmerican.com

Small talk with big potential: Bacterial conversation counteracts antibiotic damage

March 19, 2015 - 10:40am
Scientists have shown that bacteria living in the intestine both 'talk' and 'listen' to each other. Using small molecules in place of words, these microbial conversations changed the numbers of certain species of bacteria in the gut and started to restore the huge damage caused by lasting antibiotic treatment.

Small talk with big potential: Bacterial conversation counteracts antibiotic damage

March 18, 2015 - 10:00pm
(Instituto Gulbenkian de Ciencia) A research team led by Karina Xavier at the Instituto Gulbenkian de Ciência has shown that bacteria living in the intestine both talk and listen to each other. These findings will be published in the next issue of the scientific journal Cell Reports and highlighted on the journal's cover.

2014 music business flat as streaming offset CD sales drop

March 18, 2015 - 2:10pm
The U.S. retail music business was essentially flat in 2014 as growth in streaming revenue helped offset further decline in sales of CDs, a report from the Recording Industry Association of America said Wednesday.