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![](/img/b.png) | | tiempo | vistas | |
![](https://i.ytimg.com/vi/pzMbBgfALsk/default.jpg) | New Alliance to Study Greenhouse Gases in Agriculture | 4:10 | 8,394 | |
![](https://i.ytimg.com/vi/4VQE15NFdcg/default.jpg) | New Treatment for Sleeping Sickness | 3:59 | 10,648 | |
![](https://i.ytimg.com/vi/tz5BbzSoNDY/default.jpg) | Where Every Day Is Christmas | 4:10 | 7,647 | |
![](https://i.ytimg.com/vi/ByksWBb5bbo/default.jpg) | A Review of Education Reports This Past Year | 4:10 | 9,711 | |
![](https://i.ytimg.com/vi/EjLIbJm60Fg/default.jpg) | Slow and Gentle Are Best in Treating Hypothermia | 4:20 | 6,740 | |
![](https://i.ytimg.com/vi/5MhOORss1wc/default.jpg) | Circular Thinking: Round Barns on US Farms | 4:30 | 7,786 | |
![](https://i.ytimg.com/vi/2BNX_1J3kQM/default.jpg) | Disabilities in Old, Young Studied in Developing Nations | 4:20 | 7,753 | |
![](https://i.ytimg.com/vi/AjHupUxczMg/default.jpg) | US Banks Under Pressure to Lend More | 3:53 | 9,893 | |
![](https://i.ytimg.com/vi/inrGPCoM5nM/default.jpg) | Letting Religion Into the Classroom, but Setting Limits | 3:57 | 20,120 | |
![](https://i.ytimg.com/vi/FvQhqod2IaA/default.jpg) | Want to Stay Warm in Winter? Think COLD | 3:55 | 16,598 | |
![](https://i.ytimg.com/vi/QpjLoBAOO1o/default.jpg) | How a Hoop House Can Extend the Growing Season | 3:55 | 12,085 | |
![](https://i.ytimg.com/vi/v0n_RgmUZyI/default.jpg) | Bringing Light to Homes in Poor Countries | 3:54 | 10,797 | |
![](https://i.ytimg.com/vi/g2Crff9fAuU/default.jpg) | Educational Technology: Not Just Computers | 4:10 | 76,327 | |
![](https://i.ytimg.com/vi/MDUkKIc_70M/default.jpg) | Study Finds Treatment Cured Sickle Cell in Adults | 4:20 | 6,719 | |
![](https://i.ytimg.com/vi/Gi5frE3Jq4c/default.jpg) | How Islamic Finance Works | 3:58 | 12,076 | |
![](https://i.ytimg.com/vi/Y_W6vF0XB78/default.jpg) | Officials in US Look for Fixes to Carp Problems | 4:10 | 9,592 | |
![](https://i.ytimg.com/vi/AwaDJwcWRV8/default.jpg) | Increase in Illegal Killing of Rhinos in Africa, Asia | 4:00 | 6,445 | |
![](https://i.ytimg.com/vi/gGCCfbOPV60/default.jpg) | Desert Museum in Arizona Exhibits Native Plants and Animals | 2:12 | 68,932 | es en una lista |
![](https://i.ytimg.com/vi/NE1c0BpphYc/default.jpg) | Bess Lomax Hawes Brought Folk Music to a Wider Public | 4:20 | 7,941 | |
![](https://i.ytimg.com/vi/vKtT5jIZrCc/default.jpg) | Looking for New Ways to Fight Malaria | 4:00 | 7,940 | |
![](https://i.ytimg.com/vi/EXkBbRPiIzw/default.jpg) | Dubai Feels the Financial Pain | 4:00 | 6,639 | |
![](https://i.ytimg.com/vi/yNIxjA4GcxA/default.jpg) | 'Gelotophobia' Is No Laughing Matter | 4:10 | 9,649 | |
![](https://i.ytimg.com/vi/h-e1qihWqhE/default.jpg) | An International Treaty Targets Fishing Abuses | 4:10 | 7,327 | |
![](https://i.ytimg.com/vi/xp3_h21sxrg/default.jpg) | Experts Say as AIDS Epidemic Changes, So Should Prevention Efforts | 4:10 | 6,798 | |
![](https://i.ytimg.com/vi/ArbRxRr51Ok/default.jpg) | Junior Achievement Marks 90 Years of Business Education | 4:00 | 6,242 | |
![](https://i.ytimg.com/vi/nuXjliNTj14/default.jpg) | Some Advice on Choosing a College | 4:10 | 17,193 | |
![](https://i.ytimg.com/vi/0AYiagsDhJA/default.jpg) | Making Better Concrete With Rice? | 4:10 | 16,064 | |
![](https://i.ytimg.com/vi/hG5GILz-fNY/default.jpg) | Some Tips for Cold Storage of Foods | 4:20 | 9,546 | |
![](https://i.ytimg.com/vi/9ja6hjFL0l4/default.jpg) | Half of US Jobs Now Held by Women | 4:00 | 8,341 | |
![](https://i.ytimg.com/vi/k8BN-mzbFIo/default.jpg) | Number of Foreign Students in US Hits New High | 4:00 | 18,583 | |
![](https://i.ytimg.com/vi/_UTdH48c9Ng/default.jpg) | Screening for Breast, Cervical Cancer: The New Advice | 4:00 | 3,919 | |
![](https://i.ytimg.com/vi/xT59d5zjvhQ/default.jpg) | Earl Cooley: Remembering an Early Smokejumper | 3:59 | 6,086 | |
![](https://i.ytimg.com/vi/N99X26gHaOA/default.jpg) | Results of UN Food Summit Seen as Disappointing | 3:59 | 8,137 | |
![](https://i.ytimg.com/vi/_iuUYbUTuWo/default.jpg) | On the Road to Health Reform, Congress Moves a Step Closer | 4:20 | 5,129 | |
![](https://i.ytimg.com/vi/KWsXmSG9pAI/default.jpg) | US Colleges Set Enrollment Record | 4:20 | 9,580 | |
![](https://i.ytimg.com/vi/nEdiotnfx_M/default.jpg) | Debate Over New Guidelines for Breast Cancer Screening | 4:50 | 4,368 | |
![](https://i.ytimg.com/vi/OyK4ByJjnds/default.jpg) | Two Efforts Seek to Increase Food Security in Africa | 4:30 | 9,730 | |
![](https://i.ytimg.com/vi/AqYvD5xYxtc/default.jpg) | Project Finds New Homes for Unwanted Bikes From US | 4:20 | 6,135 | |
![](https://i.ytimg.com/vi/Q-iqyarABpQ/default.jpg) | So Where Are the Jobs? | 4:20 | 9,732 | |
![](https://i.ytimg.com/vi/qd1MA5eJyQY/default.jpg) | Bringing Young People Together by Video | 3:58 | 8,876 | |
![](https://i.ytimg.com/vi/8s2cgg7p5mg/default.jpg) | Why Holding Fruit on Trees May Limit Next Year's Crop | 4:20 | 7,986 | |
![](https://i.ytimg.com/vi/QIY2hjCHNhk/default.jpg) | Plan Aims to Fight Child Diarrhea in Developing World | 4:10 | 6,466 | |
![](https://i.ytimg.com/vi/p_LVlKqVQIM/default.jpg) | Buzz Aldrin: Still Looking to the Stars, and Hoping Others Will Too | 3:30 | 22,210 | es en una lista |
![](https://i.ytimg.com/vi/KISF7pv-56U/default.jpg) | US to End HIV Travel Ban in January | 4:20 | 6,750 | |
![](https://i.ytimg.com/vi/f9e6OjJ3tBQ/default.jpg) | US Says Economy Grew 3.5 Percent in Third Quarter | 4:00 | 8,365 | |
![](https://i.ytimg.com/vi/EfPmmWSTSXA/default.jpg) | High School Exchange Students in US Share Their Thoughts | 4:10 | 20,948 | |
![](https://i.ytimg.com/vi/3oxKUSpZd6E/default.jpg) | Group Works to Expand Supply of Cattle Vaccine in Africa | 3:59 | 6,524 | |
![](https://i.ytimg.com/vi/hYnHNd7uXPQ/default.jpg) | In Kenya, a Better Life Through Mobile Money | 3:58 | 8,172 | |
![](https://i.ytimg.com/vi/oCmh1db_Pd0/default.jpg) | In the US, the New Look of Gas Exploration | 4:40 | 7,508 | |
![](https://i.ytimg.com/vi/S9FxieziJ14/default.jpg) | Write or Wrong: The Death of Handwriting? | 4:20 | 17,468 | |
![](https://i.ytimg.com/vi/-yJLySPsJZ0/default.jpg) | A Test for Brain Injury Creates Its Own Risks in Children | 4:00 | 6,661 | |
![](https://i.ytimg.com/vi/J1tlf0sre4c/default.jpg) | With Resistant Crops, Progress Can Raise New Problems | 4:30 | 9,228 | |
![](https://i.ytimg.com/vi/9s4AuvgOw0U/default.jpg) | Simple, Low-Cost Ways to Cut the Risk of an Early Birth | 4:20 | 7,990 | |
![](https://i.ytimg.com/vi/0jOHsUqpc8A/default.jpg) | Digitizing the World's Biggest Library | 3:13 | 26,049 | es en una lista |
![](https://i.ytimg.com/vi/im8Pp0BZpv0/default.jpg) | Nobel Recognizes Research Into Economic Governance | 4:30 | 8,638 | |
![](https://i.ytimg.com/vi/iF4IiKOq8oo/default.jpg) | College Guide Aims to Help Students Avoid a 'Thin Education' | 4:00 | 17,017 | |
![](https://i.ytimg.com/vi/kl8lYqyh7CI/default.jpg) | Punishment or Reward: Which Works Better on Behavior? | 4:00 | 24,095 | |
![](https://i.ytimg.com/vi/S8czfNISh7s/default.jpg) | Learning the Secrets of the Potato, and an Enemy | 4:40 | 9,950 | |
![](https://i.ytimg.com/vi/Cg1BiJAhPzc/default.jpg) | Report Calls Attention to Millions of Preterm Births | 4:10 | 8,792 | |
![](https://i.ytimg.com/vi/8KGvq6WZukM/default.jpg) | Cities Now Home to More Than Half of All People | 4:40 | 6,990 | |
![](https://i.ytimg.com/vi/w8tJJ-9RUes/default.jpg) | Getting Students Excited About a Life in the Biosciences | 3:59 | 7,066 | |
![](https://i.ytimg.com/vi/sSbit8pXiRI/default.jpg) | Leprosy: An Old Disease That Claimed a New Saint | 3:59 | 5,726 | |
![](https://i.ytimg.com/vi/evBEcwB0_BA/default.jpg) | Scientists Help Cut the Mystery Behind Pruning | 4:40 | 8,031 | |
![](https://i.ytimg.com/vi/KOSwd9X_rbQ/default.jpg) | Need an Answer? Just Ask the Box | 4:30 | 5,820 | |
![](https://i.ytimg.com/vi/PcfQmlm12V8/default.jpg) | B.J. Adams at Work in Her Studio | 0:37 | 5,289 | |
![](https://i.ytimg.com/vi/0NYV5dmMn54/default.jpg) | Rebalancing the World Economy | 4:10 | 6,788 | |
![](https://i.ytimg.com/vi/FgOP-g8FwTE/default.jpg) | 'Ghost' and 'Guest' Authors Still a Concern for Medical Journals | 4:20 | 4,535 | |
![](https://i.ytimg.com/vi/r0SCEZ36B7Q/default.jpg) | Three Scientists Win Nobel Prize in Medicine | 4:10 | 6,499 | |
![](https://i.ytimg.com/vi/tWLJhD4oCVc/default.jpg) | Do-It-Yourself: Pruning Plants (First of Two Parts) | 4:30 | 21,083 | |
![](https://i.ytimg.com/vi/zh6AfBNsqbs/default.jpg) | Building a Straw House | 4:20 | 7,818 | |
![](https://i.ytimg.com/vi/oCshPSEAfKI/default.jpg) | New Proposals Intensify Debate on Net Neutrality | 4:00 | 7,589 | |
![](https://i.ytimg.com/vi/HZgf6tSXor4/default.jpg) | Authors of Medical Studies Not Always Who They Seem | 3:59 | 4,349 | |
![](https://i.ytimg.com/vi/lpTNaX3CJLo/default.jpg) | How to Strike Oil (From Seeds, That Is) | 4:10 | 6,721 | |
![](https://i.ytimg.com/vi/USs5BGtS7CE/default.jpg) | For Health of Young People, a Mixed Picture | 4:00 | 5,574 | |
![](https://i.ytimg.com/vi/T-59k6Ml85s/default.jpg) | Saving the Bog Turtle, One of the Rarest Kinds in North America | 2:48 | 27,850 | es en una lista |
![](https://i.ytimg.com/vi/hQZann8DJ9g/default.jpg) | Using Computer Games to Support Democracy and Conflict Resolution | 2:59 | 41,594 | es en una lista |
![](https://i.ytimg.com/vi/TaLGaiB4uxc/default.jpg) | New York City Celebrates Its 400th Anniversary | 3:70 | 61,138 | es en una lista |
![](https://i.ytimg.com/vi/zdY-Z0f0tyw/default.jpg) | Maine Boat Builders Hope for Smoother Seas After the Recession | 4:12 | 32,423 | es en una lista |
![](https://i.ytimg.com/vi/ZzOWGufCrrA/default.jpg) | What Happens When Child Prodigies Grow Up? | 3:34 | 64,714 | es en una lista |
![](https://i.ytimg.com/vi/JfsM_VqTsWQ/default.jpg) | Looking Back: Wall Street, a Year Later | 3:59 | 5,713 | |
![](https://i.ytimg.com/vi/jUQyj1PQrsc/default.jpg) | Getting a Fellowship, From the Ford Foundation | 4:30 | 6,404 | |
![](https://i.ytimg.com/vi/9rDbXQfuMQQ/default.jpg) | Vitamins: D and the Diet | 3:59 | 10,902 | |
![](https://i.ytimg.com/vi/tnGl8T6jg60/default.jpg) | Remembering Norman Borlaug | 4:00 | 6,586 | |
![](https://i.ytimg.com/vi/dNdcJk6SA-U/default.jpg) | Diseases Threaten Banana Crops in Africa | 3:59 | 5,573 | |
![](https://i.ytimg.com/vi/G6ADu0qT_XQ/default.jpg) | Illegal Marketing of Drugs: Pfizer's Record Fine | 3:53 | 7,202 | |
![](https://i.ytimg.com/vi/6HSVsk8hZFI/default.jpg) | Stanley Kaplan: Remembering a Test Prep Pioneer | 3:54 | 5,894 | |
![](https://i.ytimg.com/vi/O5e5Ea8xFzc/default.jpg) | Deficits Found in Brain's Reward System in ADHD Patients | 3:49 | 10,504 | |
![](https://i.ytimg.com/vi/6gTrhXa6ktA/default.jpg) | New Findings About Disorder in Bees | 3:52 | 5,832 | |
![](https://i.ytimg.com/vi/yvZD25ttZQ8/default.jpg) | Working With Clay: A How-to Guide | 3:52 | 5,494 | |
![](https://i.ytimg.com/vi/msnkXCmmrPU/default.jpg) | Poultry Farms With Unhappy Neighbors? Plant Some Trees | 4:14 | 11,173 | |
![](https://i.ytimg.com/vi/mBmvVxmivLM/default.jpg) | Commercial Real Estate Could Be Next Economic Threat | 4:14 | 11,688 | |
![](https://i.ytimg.com/vi/tMAeYxKOg6I/default.jpg) | Facing America's High Dropout Rates | 4:14 | 11,685 | |
![](https://i.ytimg.com/vi/FtZW3qhMXhk/default.jpg) | Understanding Down Syndrome | 4:14 | 13,503 | |
![](https://i.ytimg.com/vi/mSOKTKwkXtY/default.jpg) | Brazil Launches First Fuel Cell Bus in Latin America | 4:14 | 11,727 | |
![](https://i.ytimg.com/vi/EkXIMUKKTJo/default.jpg) | 50th Anniversary of VOA Special English | 0:31 | 30,464 | |
![](https://i.ytimg.com/vi/C4EuHelxW-Y/default.jpg) | Obama Nominates Bernanke for a Second Term | 4:14 | 5,931 | |
![](https://i.ytimg.com/vi/KTKtdYq9qbI/default.jpg) | Going Digital: The Future of College Textbooks? | 4:14 | 9,140 | |
![](https://i.ytimg.com/vi/pHNPJ9j3fFM/default.jpg) | Doctors Are Advised on Treating a Hoarse Voice | 4:14 | 20,398 | |
![](https://i.ytimg.com/vi/3D4KrQZWzVE/default.jpg) | Study Finds More Trees on Farms Than Was Thought | 4:14 | 7,604 | |
![](https://i.ytimg.com/vi/jdfrjb60Ll4/default.jpg) | Dangerous Lead-Based Paint Common Around the World | 4:14 | 7,387 | |
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