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Black Death ("Hollaback Girl" by Gwen Stefani)

Black Death ("Hollaback Girl" by Gwen Stefani)
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Peter Doolittle: How your "working memory" makes sense of the world Close Help with subtitles Desktop / laptop users: please make sure you have the most updated versions of your browser and Flash player, and that Flash is enabled when you visit TED.com. iOS users: to access subtitles, start playing the video, then tap the speech bubble icon that appears in the bottom row of video controls. Android users: although Android devices do not support subtitles, you can download the TED app from the Google Play store.

Teacher Resource-The Black Death First Test For College Hopefuls? Decoding Financial Aid Letters Colleges send each prospective student a letter detailing a financial aid award package — but many families say the letters are difficult to understand. iStockphoto hide caption itoggle caption iStockphoto Colleges send each prospective student a letter detailing a financial aid award package — but many families say the letters are difficult to understand. iStockphoto Around the country, millions of parents of prospective college freshmen are puzzling over one big question: How will we pay for college? The first step for many families is reviewing the financial aid award letters they receive from each school. Chris Reeves, a guidance counselor at Beechwood High School in Fort Mitchell, Ky., tells NPR's David Greene that he fields lots of questions from families trying to decipher their award letters. But loans "don't really reduce your costs," explains Mark Kantrowitz, founder of the financial aid website FinAid.org and publisher of Edvisors Network.

Depression What Is Depression? Everyone occasionally feels blue or sad. But these feelings are usually short-lived and pass within a couple of days. When you have depression, it interferes with daily life and causes pain for both you and those who care about you. Depression is a common but serious illness. Many people with a depressive illness never seek treatment. There are several forms of depressive disorders. Major depression,—severe symptoms that interfere with your ability to work, sleep, study, eat, and enjoy life. Persistent depressive disorder—depressed mood that lasts for at least 2 years. Some forms of depression are slightly different, or they may develop under unique circumstances. Bipolar disorder, also called manic-depressive illness, is not as common as major depression or persistent depressive disorder. Causes Most likely, depression is caused by a combination of genetic, biological, environmental, and psychological factors. Depressive illnesses are disorders of the brain. Diagnosis

Why Chaucer Said 'Ax' Instead Of 'Ask,' And Why Some Still Do : Code Switch Zach Galifianakis makes an Ax joke. YouTube The most common stereotype of black vernacular is the pronunciation of the word "ask" as "ax." "Ax" has gotten a bad rap for years. Pronounce "ask" as "ax," and immediately many will assume that you're poor, black and uneducated. Garrard McClendon, a professor at Chicago State University, is the author of Ax or Ask? "When you're with your little friends, you can speak any way you want to speak, all right? Sketch comedy duo Keegan-Michael Key and Jordan Peele joke that because they're half-white, they're constantly switching back and forth. Talking over each other, they add: "But when a cop comes up to you, you definitely use a lot of 'asks.' "Ask away, officer, ask away!" Keegan-Michael Key and Jordan Peele talk Ax vs. itoggle caption Sonari Glinton/NPR Keegan-Michael Key and Jordan Peele talk Ax vs. Sonari Glinton/NPR "Anything you want to ask me, I'll be happy to answer, officer." Sheidlower says you can trace "ax" back to the eighth century.

Interview: Frances Jensen On The Teenage Brain Research into how the human brain develops helps explain why teens have trouble controlling impulses. Leigh Wells/Ikon Images/Corbis hide caption toggle caption Leigh Wells/Ikon Images/Corbis Research into how the human brain develops helps explain why teens have trouble controlling impulses. Teens can't control impulses and make rapid, smart decisions like adults can — but why? Research into how the human brain develops helps explain. "Teenagers are not as readily able to access their frontal lobe to say, 'Oh, I better not do this,' " Dr. Jensen, who's a neuroscientist and was a single mother of two boys who are now in their 20s, wrote The Teenage Brain to explore the science of how the brain grows — and why teenagers can be especially impulsive, moody and not very good at responsible decision-making. "We have a natural insulation ... called myelin," she says. This insulation process starts in the back of the brain and heads toward the front. Interview Highlights Dr. Dr.

30-Day Minimalism Challenge Have you ever heard of the “fresh start effect”? It’s the phenomenon that big goals and tricky habit changes are much easier to achieve after temporal cut-offs like our birthday, the holidays … or the new year. Moral of the story: If you have big plans for 2015, use the momentum and get started right away! With a little challenge for example! For this post, I’ve compiled 30 one-day assignments to help you dip your toes into minimalist living, discover lots of new things about yourself and get a big head start. The rules for the challenge: Do one assignment every day, the order is your call. If you like you can print out the assignments and cross them off one-by-one to keep track of your progress. All assignments + resources: Stay offline for one day Social media, endless news streams and articles all drain our energy and keep us in a constant distracted state. Meditate for fifteen minutes Meditation reduces stress and anxiety and gives you a ton of extra energy and mental clarity.

The Science of Selfies: How Pictures Help Us Claim Our Identity This week's selfie at the Oscars was a record-breaker for Twitter, but just a drop in the bucket for the traffic in smartphone self-portraits. A survey commissioned by PicMonkey suggests that nearly half of all U.S. adults have taken selfies — making enough of a cultural impact that "selfie" was crowned as Oxford Dictionaries' word of the year for 2013. We may be in the midst of a golden age for selfies, but the phenomenon raises its head every time a pictorial form rises up, whether we're talking about mummy portraits from ancient Egypt, marble busts from the Roman Empire, pictures from the dawn of photography in the 19th century or an eerily modern-looking group shot from 1920. Is there a reason why selfies have resonated so deeply throughout history? They could well feed a psychological need to extend a claim of personal identity into new territory, in real life or cyberspace. "Your Facebook page, for instance, is one gigantic identity claim," Ouellette told NBC News.

Dipsticks: Efficient Ways to Check for Understanding What strategy can double student learning gains? According to 250 empirical studies, the answer is formative assessment, defined by Bill Younglove as "the frequent, interactive checking of student progress and understanding in order to identify learning needs and adjust teaching appropriately." Unlike summative assessment, which evaluates student learning according to a benchmark, formative assessment monitors student understanding so that kids are always aware of their academic strengths and learning gaps. Alternative formative assessment (AFA) strategies can be as simple (and important) as checking the oil in your car -- hence the name "dipsticks." In the sections below, we'll discuss things to consider when implementing AFAs. Observation: A Key Practice in Alternative Formative Assessment A fundamental element of most AFAs is observation. New to Alternative Formative Assessment? Integrate alternative assessments gradually, while still using the traditional assessments.

What an actor said to Ellen is something I wish more men would talk about I'm going to tell you a little story about a man. A great man. A man named Joseph Gordon-Levitt. You know what, I think I'll put that picture in here again. OK, one more time. Dear God, yes. Anyway! As a young, distressingly handsome child actor growing up in L.A., Joseph Gordon-Levitt watched a lot of Laker games with his family. (That's basketball for those of you who don't follow sportsball.) And whenever the cheerleaders would show up, his mom would make an interesting observation. (Not Joseph Gordon-Levitt's mom.) Why is it that all the dudes get to be celebrated for what they do? While the ladies only get celebrated for what they look like. It just didn't seem fair. And as a result... O.M.G. Here he is, 20-ish years later, telling Ellen all about it.

Is Sugar Addiction Why So Many January Diets Fail? Indulge or resist? Sugar cravings can be a serious challenge. iStock hide caption itoggle caption iStock We've survived the stretch between Thanksgiving and New Year's Day, when rich, sweet treats come at us non-stop. The cycle has become so predictable, and disheartening, as our collective motivation to change our ways dissolves by February like a sugar cube in a glass of champagne. For me, it's refined sugar, pure and simple, that, over time, I've identified as the food I would most love to be able to resist. This year, I vowed to seek out new ways to stay out of the drawer my colleague keeps stocked with chocolate bars of all brands and sizes — an alluring stash stored right next to my desk. I'm not alone in singling out sugar and the undue power it wields over me, according to researchers. Over the last few years, scientists who study the way food influences our brains and bodies have been moving toward a consensus that sugar is addictive.

Why We Need More Than Three Genders : 13.7: Cosmos And Culture Some of the people who will read this blog post are female, some are male, some are both and some are neither. To all, greetings of the season! Of the many things I want to celebrate during this annual round of holiday joy, the beauty of human diversity and the pleasure we may take in recognizing it sit near the top of my list. Yet here's something I've noticed: While the array of gorgeous human skin colors and ethnicities and sexualities is increasingly embraced as a matter of human rights, we are slower to celebrate multiple genders. I would like to make clear right at the start that breaking out of a male-female gender dichotomy isn't some 21st century liberal-progressive agenda, as it is sometimes painted. Spending some time with this interactive map shows that fluidity in gender roles is and has been evident in societies around the world. The existence of third genders is noted in quite a few entries on that map. But are three genders enough? But we can do better.

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