TED-Ed website launches in beta, lets teachers customize video lessons

Last month, TED announced its new education initiative -- fittingly named TED-Ed -- with a YouTube channel showcasing teachers' lessons presented as animated videos. Today, the program moved forward, as TED opened up a beta version of a website meant to complement those lessons. Though there are plenty of study aides here, ed.ted.com is really about the grown-ups on the other side of the classroom. The site lets teachers with a TED account "flip" videos from TED-Ed and YouTube -- i.e., customize them to include multiple-choice and open-answer questions and links to additional info on a topic. Currently there are 62 videos and 238 "flips" available for viewing, but TED is gearing up for a full launch to be timed with the new school year in September.

Continue reading TED-Ed website launches in beta, lets teachers customize video lessons

TED-Ed website launches in beta, lets teachers customize video lessons originally appeared on Engadget on Thu, 26 Apr 2012 00:50:00 EDT. Please see our terms for use of feeds.

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Josh Hutcherson Opens Up About His Gay Uncles' Deaths

Josh Hutcherson's family might be happy that he's become such a successful actor, but he says they're more proud of the work he's doing to defend gay rights.

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Math teachers demonstrate a bias toward white male students

Tuesday, April 17, 2012

While theories about race, gender, and math ability among high school students have long been debated, a recent study found that math teachers are in fact, unjustifiably biased toward their white male students. This study was published in a new article released in the April 2012 issue of Gender & Society(GENDSOC), the official journal of the Sociologists for Women in Society, published by SAGE.

"This speaks to the presence of a perhaps subtle yet omnipresent stereotype in high school classrooms: Math, comparatively speaking, is just easier for white males than it is for white females," wrote the authors.

Researchers Catherine Riegle-Crumb and Melissa Humphries analyzed data collected by the National Center of Education Statistics (NCES) that consisted of a nationally representative group of about 15,000 students. Their data also included teacher surveys in which math teachers were asked to offer their personal assessment of individual students, indicating whether they felt that the course was too easy for the student, the appropriate level, or too difficult. The researchers compared these assessments with other data about the students such as their math GPA and their score on a standardized math test in order to determine if the teachers' perceptions of their students' abilities matched up with the students' actual scores.

After analyzing this data, the researchers found disparities between teachers' favorable perceptions of the abilities of their white male students and these students' scores. Conversely, white female students were perceived by teachers to be doing more poorly in their math classes than they actually were.

The researchers did not, however, find the same disparities between white students and minority students. In fact, they found that math teachers actually favored black female students, claiming that these students were more successful in their math classes than they actually were.

The authors wrote, "Once we take into account that, on average, Black and Hispanic male and female students have lower grades and test scores than white males, teachers do not rate the math ability of minority students less favorably than students belonging to the traditionally advantaged category of white males."

Riegle-Crumb and Humphries offered some explanations for their findings. For example, since few black females were enrolled in high-level math courses, teachers may have viewed the black female students in their advanced courses as overcoming more to be successful in mathematics, thus illustrating more perseverance and academic potential. Additionally, they explained that teachers may be more sensitive to their own tendencies towards racial bias than gender bias as gender bias may be so socially ingrained that it is harder to notice and therefore harder to resist.

The authors wrote, "The occurrence of bias in high school classrooms indicates that cultural expectations likely function to shape interactions and re-create inequality throughout the math pipeline that leads to high-status occupations in related fields of science and technology."

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SAGE Publications: http://www.online.sagepub.com

Thanks to SAGE Publications for this article.

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Online Education Startup Coursera Lands $16M From Kleiner & NEA, Adds John Doerr To Its Board

It has already been a year since Peter Thiel called our attention to the bubble that has grown around American higher education. Yet, the costs inherent to receiving a college degree have continued to grow, as student debt in the U.S. today has pushed over $1 trillion, with the average debt per student standing at more than $25,000. Mountain View-based Coursera is one of the many young edtech startups looking to help solve the rising costs in higher education by offering Ivy League-caliber courses online -- for free. To help steer it down this path, the startup is today announcing that it has raised $16 million in venture funding from Kleiner Perkins Caufield & Byers (KPCB) and New Enterprise Associates (NEA). As part of its investment, veteran investor, KPCB partner, and education reform advocate John Doerr and NEA General Partner Scott Sandell, have joined the startup's board of directors.

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How We Identify Single Voices in a Crowd [Science]

There are plenty of human abilities that we take for granted, but which are actually insanely complex. Like picking out a single voice buried amongst the noise of a crowded environment, a problem which has troubled scientists for decades. But now they've worked out how we do it—and it could revolutionize speech recognition technology. More »

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Rihanna To Make Third Appearance On 'Saturday Night Live'

'We Found Love' singer will be the musical guest on the May 5 episode, hosted by Eli Manning.
By John Mitchell

Rihanna
Photo: Getty Images

Rihanna will hit the "Saturday Night Live" stage for the third time when she performs on the legendary sketch comedy show on May 5. New York Giants quarterback Eli Manning will host.

The pop star has a long history with the show and has always been a standout guest. While she always nails it on stage for her musical performance, Rihanna also tends to pop up throughout the show to flex her comedy muscles in sketches and, most notably, in rumored-to-be-departing Andy Samberg's buzzed-about digital shorts.

Her first "Shy Ronnie" short landed an Emmy nomination and she reprised the role for another digital short over Halloween weekend in 2010, playing Clyde to Shy Ronnie's Bonnie as the unlikely couple holds up a bank and Ronnie's bashful nature causes their plan to go array.

For all intents and purposes, Rihanna's appearance is to promote both her album Talk That Talk and her film debut in the upcoming "Battleship," but for those still keeping an eye on the happenings of Ri Ri and ex Chris Brown, it's worth noting that May 5 is also Brown's birthday, so get ready for plenty of "will Chris Brown show up for a surprise appearance" speculation.

The gig will be Manning's first time hosting, though he made a brief cameo when his brother, Peyton, hosted in 2007.

Are you excited for Rihanna's "SNL" return? Do you think Chris Brown will show up with some "Birthday Cake"? Let us know in the comments below!

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• Rihanna

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GM: Explosion at battery research facility ?unrelated to the Chevrolet Volt?

One person was hurt at the GM research site in Michigan during ?extreme testing on a prototype battery? unrelated to the Volt ?or any other production vehicle,? the company said.

An explosion during "extreme battery testing" Wednesday morning of a prototype energy cell at a General Motors battery research facility in Warren, Mich., injured one person and did major structural damage to the building.

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At the heart of the explosion was a lithium-ion battery, according to a fire department official cited in local news reports. The morning blast did not, however, involve batteries that power the Chevrolet Volt, the new plug-in hybrid car whose batteries caught fire weeks after a crash test, General Motors said in a statement.

But the flap over the Volt battery fire has left some insiders feeling more than a little peeved and defensive at the amount of news media attention being devoted to what they say is an almost inevitable, if not routine, event in the business of battery research and extreme testing.

"The whole reason they have these labs is precisely to do this kind of aggressive testing ? anticipating the worst thing a consumer could do with this product," says one expert with direct knowledge of the circumstances surrounding the explosion, who asked not to be named. "This is going to turn out to be a mountain out of a mole hill. Yeah, we're doing a lot of testing. That's what we have to do. Sometimes things explode."

?The incident is still under investigation by GM and the Warren authorities," the GM statement said. "Any information or discussion of the nature of the work in the lab or cause of the incident is entirely speculative and cannot be confirmed at this time. The incident was unrelated to the Chevrolet Volt or any other production vehicle. The incident was related to extreme testing on a prototype battery.?

Despite criticism of the Volt by conservative pundits, a follow-up investigation by the National Highway Transportation Safety Administration concluded the new car was no more prone to fire than any other vehicle.

"The debate over batteries recently really hasn't been about safety so much as about their longevity," says Tom Turrentine, director of the plug-in hybrid and electric vehicle research center at the University of California, Davis. "I think we are mostly over the hump with battery safety. But there's no question that battery labs are notorious for explosions when they're testing."

Lithium-ion batteries are attractive to automakers because they can hold so much power ? about four times the amount of energy a conventional lead-acid battery. Even so, earlier lithium-ion batteries used in other commercial applications burst into flame on occasion. Laptop computer manufacturer Dell Computer recalled millions of batteries after a handful of its laptops burst into flames several years ago.

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Asus Fixes Transformer Prime by Making Transformer Prime Look Idiotic [Tablets]

Asus' super-powerful silver bullet Android tablet had one big problem: its GPS sucked. So Asus, instead of issuing replacement hardware that didn't suck, is handing out fat, ugly dongle attachments. Oh, and they block the tablet's dock connector, too. Sweet! More »

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NH town unveils mystery of old safe's contents (Providence Journal)

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PSA: Sony details ICS rollout for 2011 Xperia smartphones, Nordic regions to get first dibs

Good news for all you owners of 2011 edition Xperia smartphones -- Sony's Xperia Product Blog has just confirmed that the devices will begin receiving a tasty upgrade to Android Ice Cream Sandwich. The update is set to first rollout in the Nordic countries of Norway (naturally), Sweden, Denmark, Iceland and Finland -- specifically for the Xperia arc S, ray and neo V -- followed by an expansion into other markets within the next "four to six weeks." Don't fret if you don't own one of the aforementioned devices, though, as Sony has noted that near the end of May it should have ICS ready for the Xperia arc, Play, active, neo mini, mini pro, pro and Sony Ericson Live. If you're hungering for more specific information on when you'll be able to update your device, you'll have to keep it posted to the source links below in the meantime.

PSA: Sony details ICS rollout for 2011 Xperia smartphones, Nordic regions to get first dibs originally appeared on Engadget on Fri, 13 Apr 2012 14:32:00 EDT. Please see our terms for use of feeds.

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Exclusive Clip of VH1?s ?Styled By June?- featuring Da Brat? Monday, April 16th at 9:30PM ET

Who is Da Brat calling a “skinny bitch?” Da Brat’s been in the game 17 years and she’s not trying to satisfy anybody and let’s June know it. In this online exclusive sneak Da Brat is more than a little resistant to June’s makeover guidance. Watch an all new episode of VH1 “Styled By June” [...]

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How Kik Survived The Group Messaging Wars And Built A Sweet Mobile App For Controlling TVs

If a consumer mobile fad comes and goes, and you don't play consolidation musical chairs, what do you do next? This is kind of what happened to Kik, a Canadian startup that took off with the explosive growth of its messaging app last year. Amid the hype around messaging, Kik raised $8 million in funding from RRE Ventures, Spark Capital and Union Square Ventures. Not too long after, Kik's rivals Beluga and GroupMe got acquired in some respectable (but not crazy huge) deals by Facebook and Skype last year. Meanwhile, Kik has stayed independent and is charting a completely different course. About two months ago, they launched Clik, a mobile app that lets you control a TV right from your phone. There are a few steps to making it work, but the major plus to Clik is that it doesn't require additional hardware. You point your desktop or smart TV browser at ClikThis.com, which generates a unique QR code (which are two-dimensional barcodes). Then you open the Clik iPhone or Android app, aim the camera at the screen, and the phone syncs to the TV or computer. Once they're connected, you can use your phone like a remote control to play YouTube videos on your TV.

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Obama praises U.S.-Latin America trade ties (cbsnews)

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Vodka Alchemy: How to Change Cheap Clear Hooch from Terrible to Tolerable [Video]

It comes in a plastic bottle. It tastes like pouring battery acid down your throat. It smells like a robot's corpse. For around ten bucks—you can get a lot of it. More »

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You There! Men and Women of the Kingdom.

People of Sor...Friends of all races, religions, creeds...We are under attack. The sanctity of our peaceful nations has been compromised. Enemies of the Kingdom! Assassins from Ulfire! They strike, cloaked in shadow...they strike at the heart of Sor! They wish to tear us from the inside out! But we will not let them, no...They thought they would strike at us in shadow, but now we have seen them! They thought their bloodless organization secret, but their name has been found.

They are elusive. They are dangerous. But know this! They can. Be. Defeated! We are gathering a specialized team of warriors. Hardened by battle, bloodlust, and war. The race of the Phoenix with your mastery over the elements. Fire, air, and lightning! The race of Men with your mastery of battle! Steel, gunpowder, fists! You are our swords and shields! Sor's swords and shields! I want the warriors, the pilots, the thieves! I want the labourers, the craftsmen, the farmers! The mercenary, the nobleman, the artisans! All of you who are able to fight, men and women of Sor and it's territories, I ask you to join us against our enemies! Join us against these cowards who dare to strike in shadow! Join the Ultimate Organization, take their pledge...and make one solemn vow. A vow to eradicate this evil from all the free systems!

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Direct any questions to the OOC thread.

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HBT: Phillies close to getting Contreras back

Jose Contreras? minor-league rehab assignment got off to a rough start last week, but since then he?s made a pair of good appearances and could be on the verge of returning from elbow surgery.

Matt Gelb of the Philadelphia Inquirer reports that Contreras is scheduled to pitch today and tomorrow, testing his arm with back-to-back outings, and if everything goes well he could come off the disabled list as soon as this weekend.

Initially the recovery timetable for his September surgery was 4-6 months, so Contreras being right in line with that is pretty remarkable at age 40. And with Chad Qualls hurting the Phillies could definitely use the bullpen reinforcement.

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Intel plans to roll out Ivy Bridge based Xeon E3s, low-power Atom chips for micro servers

Ask any gardener, once you let ivy grow, it gets everywhere. Even though Intel just planted a fresh family of Sandy Bridge-based server CPUs, reports of a new line of Xeon E3 chips sporting the firm's next generation architecture are sprouting up. The new Ivy Bridge server chips use the firm's 3D Tri-Gate transistors to improve performance without using more power. For micro servers looking for an even smaller power footprint, Intel is introducing an Atom-based system on a chip, dubbed Centerton. These new 64-bit chips will feature two Atom processor cores and consume only six watts of electricity. Intel hasn't said yet just where these new processors are going to end up, but mentioned that it had a few customers on board.

Intel plans to roll out Ivy Bridge based Xeon E3s, low-power Atom chips for micro servers originally appeared on Engadget on Thu, 12 Apr 2012 05:27:00 EDT. Please see our terms for use of feeds.

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