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![](/img/b.png) | | tiempo | vistas | |
![](https://i.ytimg.com/vi/ECCYuSwnzIw/default.jpg) | Obama Urges Steps to Strengthen Economy | 3:59 | 55,749 | |
![](https://i.ytimg.com/vi/C8PXk8Vdp1s/default.jpg) | Getting NGOs to Celebrate Failure, So They Can Learn From Others' Mistakes | 4:00 | 42,776 | |
![](https://i.ytimg.com/vi/eCOxRy3pTOM/default.jpg) | Pretty Flowers Lead Two Scientists to a Discovery | 4:00 | 86,240 | |
![](https://i.ytimg.com/vi/fxX32X_3tI4/default.jpg) | Now, Some Gardening Advice, Brought to You by Thomas Jefferson | 2:48 | 50,981 | es en una lista |
![](https://i.ytimg.com/vi/8NjvJwmCZ2Q/default.jpg) | GM to Test Investors' Hunger for Risk With Stock Offering | 4:00 | 30,917 | |
![](https://i.ytimg.com/vi/1Oq6THC8sNQ/default.jpg) | How Failure Can Lead to Long-Lasting Knowledge | 3:58 | 28,302 | |
![](https://i.ytimg.com/vi/nmsgka8rFf0/default.jpg) | Bringing Attention to Differences in Suicide Around the World | 4:10 | 23,252 | |
![](https://i.ytimg.com/vi/MkqNMl4qKdY/default.jpg) | Want Truly Homemade Sweaters? Try Raising Your Own Goats | 4:10 | 36,143 | |
![](https://i.ytimg.com/vi/zWc859MZ__8/default.jpg) | Do-It-Yourself: How to Dry or Smoke Fish, Part 2 | 4:10 | 35,995 | |
![](https://i.ytimg.com/vi/f1_xdlHrW8s/default.jpg) | A Quick Lesson in Ways Businesses Are Organized | 4:00 | 35,702 | |
![](https://i.ytimg.com/vi/yMdqk3nuuu0/default.jpg) | Coming to Terms With Academic Titles at US Colleges | 3:59 | 17,044 | |
![](https://i.ytimg.com/vi/0rV-rRCwypY/default.jpg) | For Lots of People, Getting Older Means Getting Happier | 3:58 | 20,503 | |
![](https://i.ytimg.com/vi/xc_X-4EKLPc/default.jpg) | Test Your Word Knowledge With a Quiz About Farm Terms | 4:00 | 39,134 | |
![](https://i.ytimg.com/vi/TQ51puoEaxE/default.jpg) | Do-It-Yourself: Preparing Fish for Drying or Smoking | 4:00 | 31,887 | |
![](https://i.ytimg.com/vi/CavIb3ZSv_4/default.jpg) | Verizon and Google Propose Rules of the Road for the Internet | 4:20 | 30,643 | |
![](https://i.ytimg.com/vi/O3R50oF5hBM/default.jpg) | San Francisco Educator Works to Keep Young People 'Alive and Free' | 4:00 | 59,016 | |
![](https://i.ytimg.com/vi/tdVLcxhuLfE/default.jpg) | Experts Urge More Efforts to Fight Cancer in Poor Countries | 4:00 | 33,631 | |
![](https://i.ytimg.com/vi/WE4zDe0mGH0/default.jpg) | Russian Housing Plan Threatens Seed Bank | 4:40 | 32,209 | |
![](https://i.ytimg.com/vi/ZQCYUqgnCiQ/default.jpg) | Imported Foods Raise Obesity, Health Issues for Pacific Islanders | 4:00 | 37,678 | |
![](https://i.ytimg.com/vi/jroExgSSjzo/default.jpg) | The Making of the Best-Known Bat in Baseball, and Pop Culture | 3:13 | 60,254 | es en una lista |
![](https://i.ytimg.com/vi/tmSPWePYojg/default.jpg) | For 'Cabaret Stars of Tomorrow,' a Chance to Train Now | 4:00 | 50,089 | |
![](https://i.ytimg.com/vi/HFA5sqlBUr8/default.jpg) | Scientists Look for Answers as More US Girls Enter Puberty at an Earlier Age | 3:59 | 38,201 | |
![](https://i.ytimg.com/vi/6ri_w0YETaU/default.jpg) | The Rise and Fall of Mark Hurd as H-P Chief | 3:59 | 36,730 | |
![](https://i.ytimg.com/vi/ZnGo9Nf-cpU/default.jpg) | Killing of 10 Aid Workers 'Horrific' but Not Uncommon | 3:59 | 28,827 | |
![](https://i.ytimg.com/vi/-Ywo8NQxuvs/default.jpg) | Phone Call About Fertilizer Could Be a Big Help to Philippine Rice Farmers | 3:59 | 28,980 | |
![](https://i.ytimg.com/vi/rc-LVcpDK8E/default.jpg) | Study Finds No Reason to Delay Pregnancy After a Miscarriage | 3:58 | 30,568 | |
![](https://i.ytimg.com/vi/o4YXPlDIvPw/default.jpg) | Obama Signs Spending Bill to Protect Teachers' Jobs | 3:59 | 21,865 | |
![](https://i.ytimg.com/vi/tijtblM6dB0/default.jpg) | UAE, Other Nations Target BlackBerry for Access | 3:59 | 20,688 | |
![](https://i.ytimg.com/vi/ZzsdEk9MHvo/default.jpg) | A Simple Operation Can Cure Tragic Condition in Mothers With Fistula | 4:00 | 22,389 | |
![](https://i.ytimg.com/vi/fIua0mSxhV8/default.jpg) | Ideas for Getting a Firm Grip on Weed Control | 3:57 | 20,986 | |
![](https://i.ytimg.com/vi/J_7BZm836us/default.jpg) | Breastfeeding, a Skill Mom and Baby 'Learn From Each Other' | 4:00 | 22,576 | |
![](https://i.ytimg.com/vi/zDxJjdhdX-4/default.jpg) | Muslim College Opens in US With Hopes -- and Suspicions | 4:10 | 20,387 | |
![](https://i.ytimg.com/vi/INM_fJm65TY/default.jpg) | An Air Show for Showing Off; West Bank's Speed Sisters | 4:20 | 18,472 | |
![](https://i.ytimg.com/vi/Prd17LDcGxg/default.jpg) | Bringing Color to Life (and Tears to Eyes) With a Natural Dye | 4:00 | 25,120 | |
![](https://i.ytimg.com/vi/m5ujVpjc2Tg/default.jpg) | Slaughterhouses on Wheels Come to the Aid of Small Farms | 4:00 | 20,191 | |
![](https://i.ytimg.com/vi/iVkRqHqvvy8/default.jpg) | Marking the 20th Anniversary of the Americans With Disabilities Act | 4:10 | 12,858 | |
![](https://i.ytimg.com/vi/UYNI8rlT2eI/default.jpg) | Financial Reform Law Aims to Change Some Ways of Wall Street | 4:20 | 18,355 | |
![](https://i.ytimg.com/vi/JGUCWtzr6Ts/default.jpg) | For-Profit Colleges in US May Face Tests on Federal Student Aid | 4:10 | 16,389 | |
![](https://i.ytimg.com/vi/_3ZBeA9yfo0/default.jpg) | Got Baboons in Your Crops? Offer Them a Snake Sandwich | 4:10 | 25,709 | |
![](https://i.ytimg.com/vi/vg_gchfeHqQ/default.jpg) | Film Captures Risky Work of Doctors Without Borders | 4:00 | 21,257 | |
![](https://i.ytimg.com/vi/AFLUEd1ddhE/default.jpg) | Companies Aim for the Sky, and the Road, With Flying Cars | 2:55 | 38,350 | es en una lista |
![](https://i.ytimg.com/vi/uWqKV6LuPcs/default.jpg) | Preparing for Duty at the U.S. Naval Academy | 3:80 | 42,588 | es en una lista |
![](https://i.ytimg.com/vi/2lo-aaWzv3Y/default.jpg) | Inventors Given Hope on Patents for Business Methods | 4:10 | 17,772 | |
![](https://i.ytimg.com/vi/OnTAVZvAfXM/default.jpg) | National Standards for US Schools Gain Support From States | 4:40 | 17,900 | |
![](https://i.ytimg.com/vi/vhK9hTDfiLw/default.jpg) | Researchers in South Africa Announce a New Weapon in AIDS Fight | 4:30 | 10,509 | |
![](https://i.ytimg.com/vi/2sC2gnnsmKo/default.jpg) | Uncooperative Goat Becomes the Mother of an Invention | 4:30 | 18,205 | |
![](https://i.ytimg.com/vi/fsBA78ZBkb8/default.jpg) | Staying Safe: Food Safety After a Flood | 4:50 | 21,403 | |
![](https://i.ytimg.com/vi/fQ0qtl64mCA/default.jpg) | Obama Looks to Exports, Hoping to Create Jobs | 4:00 | 17,529 | |
![](https://i.ytimg.com/vi/HSJNCw07RL4/default.jpg) | In Treating Athletes, Is Trainer's Sex an Issue? Sometimes It Is | 3:50 | 11,892 | |
![](https://i.ytimg.com/vi/vbsgPA524tY/default.jpg) | A New AIDS Plan for Americans, and New Hopes for a Vaccine | 3:55 | 9,483 | |
![](https://i.ytimg.com/vi/0kfjYTXK9aQ/default.jpg) | Growing Trees in the Desert, With the Aid of a 'Waterboxx' | 3:53 | 16,461 | |
![](https://i.ytimg.com/vi/7EvfTH9lBBE/default.jpg) | Rift Valley Fever Hits South Africa | 3:51 | 17,165 | |
![](https://i.ytimg.com/vi/-PUTKdwTOu8/default.jpg) | Visitors to Colonial Williamsburg Get a History Lesson in the Roots of US Democracy | 3:60 | 32,608 | es en una lista |
![](https://i.ytimg.com/vi/UHS8EXFXiiw/default.jpg) | Celebrating the 50th Anniversary of 'To Kill a Mockingbird' | 3:58 | 12,756 | |
![](https://i.ytimg.com/vi/nfKhp5y7T6w/default.jpg) | Physical Activity in Teens Linked to Mental Skills Late in Life | 3:58 | 14,192 | |
![](https://i.ytimg.com/vi/MhrqnH1c8xU/default.jpg) | Major Economies Caught in Debate Between Debt, Growth | 3:59 | 14,959 | |
![](https://i.ytimg.com/vi/PU-PBcxS550/default.jpg) | How Manute Bol Used His Sports Fame for a Greater Good | 3:58 | 17,299 | |
![](https://i.ytimg.com/vi/O-bkOisliwQ/default.jpg) | Farming in the City: Joys of Growing Food | 3:57 | 18,474 | |
![](https://i.ytimg.com/vi/R6X4SiYoX1Q/default.jpg) | G-20 Nations Wonder: How Soon Is Too Soon to Cut Spending? | 3:59 | 16,280 | |
![](https://i.ytimg.com/vi/aW_e2Uz5AKY/default.jpg) | Teaching the Dangers of Distracted Driving, Before It's Too Late | 4:00 | 19,004 | |
![](https://i.ytimg.com/vi/HjDAlTg3tSU/default.jpg) | Eating White Rice Increases Risk of Diabetes | 3:57 | 22,963 | |
![](https://i.ytimg.com/vi/n5vUUH8LMa0/default.jpg) | In the Garden: Getting the Most Out of Mums | 4:00 | 16,673 | |
![](https://i.ytimg.com/vi/cF00NcNiGq4/default.jpg) | Using Paper Beads to Improve Ugandan Lives | 3:58 | 15,799 | |
![](https://i.ytimg.com/vi/1bwYI8lHtc0/default.jpg) | Three Sisters Follow in the Flight Path of a Family of Pilots | 4:49 | 73,023 | es en una lista |
![](https://i.ytimg.com/vi/34kqgSJhnHI/default.jpg) | A Compromise on Trials for Crimes of Aggression | 3:58 | 15,243 | |
![](https://i.ytimg.com/vi/Eq2dE3uK-tQ/default.jpg) | Young Workers Lead Growing Labor Unrest in China | 4:00 | 16,063 | |
![](https://i.ytimg.com/vi/HR0MkgbFpeo/default.jpg) | Before the G-20 Summit, a 'G(irls)20 Summit' in Toronto | 4:00 | 12,058 | |
![](https://i.ytimg.com/vi/XldwCfjDBxg/default.jpg) | Study Finds Improved Way to Treat COPD | 4:10 | 15,482 | |
![](https://i.ytimg.com/vi/VaxXXOfaqek/default.jpg) | World Food Prize Honors Heads of Two Groups Based in US | 3:59 | 17,076 | |
![](https://i.ytimg.com/vi/oW1ZH5XIL1s/default.jpg) | Job Market an Extra Hard Test for New College Graduates | 4:20 | 15,306 | |
![](https://i.ytimg.com/vi/3o30OjPFOpY/default.jpg) | English and Spanish Speakers Learn Together, and From Each Other | 4:40 | 24,983 | |
![](https://i.ytimg.com/vi/r-2-dQixM6E/default.jpg) | Study Ties New Doctors to Jump in Hospital Deaths in July | 4:10 | 9,885 | |
![](https://i.ytimg.com/vi/RHB2niHl5oM/default.jpg) | In the Garden: Getting Started With Roses | 4:30 | 23,167 | |
![](https://i.ytimg.com/vi/4MKWb_xlKYQ/default.jpg) | Human Trafficking a Problem in Major Cities Across US | 4:30 | 15,426 | |
![](https://i.ytimg.com/vi/69UgKu0kEAM/default.jpg) | Oil Spill Puts Financial Pressure on BP | 3:56 | 13,643 | |
![](https://i.ytimg.com/vi/7t2Zo8JAyHM/default.jpg) | How the Great Coach John Wooden Defined Success | 3:53 | 12,001 | |
![](https://i.ytimg.com/vi/irdOFo0iUjA/default.jpg) | Study Links Bedtime Rules to Better Skills in Preschool Children | 3:55 | 10,913 | |
![](https://i.ytimg.com/vi/UhqJw14eabw/default.jpg) | Farmers in East Africa Struggle Against Cassava Disease | 3:54 | 12,837 | |
![](https://i.ytimg.com/vi/PpZWMPUgUdk/default.jpg) | Shortage of Nurses Is Worldwide, but Worst in Poorer Nations | 3:57 | 16,283 | |
![](https://i.ytimg.com/vi/uhM7w3YcK2c/default.jpg) | Reused Pacemakers May Aid Heart Care in Developing World | 3:59 | 9,832 | |
![](https://i.ytimg.com/vi/9rKgMOj-s8o/default.jpg) | Privacy Concerns Hit Facebook, Google | 3:58 | 14,062 | |
![](https://i.ytimg.com/vi/zsSi60nA0yM/default.jpg) | For Young Offenders, a Sentence of Shakespeare's Sentences | 4:10 | 9,622 | |
![](https://i.ytimg.com/vi/RSyLgoWiv80/default.jpg) | A Chicken in Every Pot: Finding New Uses for Feathers | 4:10 | 14,505 | |
![](https://i.ytimg.com/vi/Gta0oLOEkHg/default.jpg) | On World No Tobacco Day, Special Attention Goes to Women, Girls | 4:10 | 14,350 | |
![](https://i.ytimg.com/vi/up95MINVYDw/default.jpg) | A Shelter for Abused Animals, Where Volunteers Also Find Healing | 2:28 | 68,092 | es en una lista |
![](https://i.ytimg.com/vi/058cMcmmJhc/default.jpg) | Effort to Enforce 'Net Neutrality' in US Takes New Direction | 3:59 | 10,702 | |
![](https://i.ytimg.com/vi/l2QF9AJkh2k/default.jpg) | For Foreign Students, Top Choice in US: USC | 4:30 | 15,003 | |
![](https://i.ytimg.com/vi/rnP4faUYa8E/default.jpg) | Study Ties Some Pesticides to Risk of ADHD in Children | 4:00 | 9,030 | |
![](https://i.ytimg.com/vi/JUjuvUHWNbM/default.jpg) | A Cotton Plant Kills One Kind of Bug, but Is Blamed for Another | 4:20 | 12,120 | |
![](https://i.ytimg.com/vi/gFHCdzBfOH0/default.jpg) | Small Drug Pouch May Offer New Tool to Protect Newborns From HIV | 4:30 | 12,651 | |
![](https://i.ytimg.com/vi/VHjR9xIwUqE/default.jpg) | Britain Gets a Government, as Europe Gets a Plan to Save the Euro | 4:10 | 10,481 | |
![](https://i.ytimg.com/vi/jonwmHunUcU/default.jpg) | Greater Efforts Are Urged to Get and Keep Girls in School | 4:10 | 8,845 | |
![](https://i.ytimg.com/vi/xZh-DdxcjOA/default.jpg) | Finding New Ways to Treat Rheumatoid Arthritis | 4:10 | 9,102 | |
![](https://i.ytimg.com/vi/ZISBd1SUkHg/default.jpg) | Why Grafting Still Fits Nicely Into Agriculture | 4:20 | 11,959 | |
![](https://i.ytimg.com/vi/hQXa6vwtWDA/default.jpg) | Taking Action Against Child Labor | 4:10 | 12,609 | |
![](https://i.ytimg.com/vi/QOFTn8_AJFc/default.jpg) | A Student Orchestra, Where the Players Decide What to Play | 3:23 | 31,374 | es en una lista |
![](https://i.ytimg.com/vi/hmdLfiKWUkM/default.jpg) | Greek Lawmakers Pass Spending Cuts Required for Loans | 3:59 | 10,044 | |
![](https://i.ytimg.com/vi/gHxzJz4bEtQ/default.jpg) | A Class Where Teens Learn Mothering, and Are Mothered | 4:10 | 10,640 | |
![](https://i.ytimg.com/vi/Klz4s7Yea4g/default.jpg) | Obesity Becomes a Big Killer in India | 4:30 | 12,253 | |
![](https://i.ytimg.com/vi/JEylGDQs0AQ/default.jpg) | In Kenya, Low-Cost Crop Insurance for Small Farmers | 4:30 | 10,926 | |
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