Talk of the Nation on KTTZ HD2 http://kttz.org en Studies Question Potential Alzheimer's Treatment http://kttz.org/post/studies-question-potential-alzheimers-treatment Transcript <p>FLORA LICHTMAN, HOST: <p>This is SCIENCE FRIDAY. I'm Flora Lichtman, filling in for Ira Flatow today. Last year, researchers reported a breakthrough in treating Alzheimer's disease. They'd found a drug that appeared to reverse the symptoms of Alzheimer's in mice. Fri, 24 May 2013 15:53:00 +0000 editor 25082 at http://kttz.org Reinventing Farming For A Changing Climate http://kttz.org/post/reinventing-farming-changing-climate Transcript <p>FLORA LICHTMAN, HOST: <p>This is SCIENCE FRIDAY. I'm Flora Lichtman. You've likely heard of the legendary explorers Lewis and Clark, but maybe not of the U.S. Army explorer Stephen Harriman Long, an engineer who led a scientific expedition through the Great Plaines 15 years after Lewis and Clark.<p>His expedition traveled through Oklahoma, Kansas and Nebraska. And what did his crew make of America's Breadbasket? A place wholly unfit for cultivation or agriculture, they said. Fri, 24 May 2013 15:53:00 +0000 editor 25083 at http://kttz.org 'Crazy Ants' Spreading In The Southeastern US http://kttz.org/post/crazy-ants-spreading-southeastern-us In parts of the southeastern US, aggressive fire ants have been driven out by an even more recent arrival, the tawny crazy ant. Edward LeBrun, a researcher at the University of Texas at Austin, describes the newcomers and how one invasive species can out-invade another. Fri, 24 May 2013 15:53:00 +0000 editor 25084 at http://kttz.org Having a Dog May Mean Having Extra Microbes http://kttz.org/post/having-dog-may-mean-having-extra-microbes North Carolina State University biologist Rob Dunn and colleagues surveyed people's pillow cases, refrigerators, toilet seats, TV screens and other household spots, to learn about the microbes that dwell in our homes. Among the findings, reported in the journal PLoS One, homes with dogs had more diverse bacterial communities, and higher numbers of "dog-associated" bacteria. Fri, 24 May 2013 15:53:00 +0000 editor 25087 at http://kttz.org Tackling New Tech In The Golden Years http://kttz.org/post/tackling-new-tech-golden-years Smartphones, tablets and computers could help seniors stay connected to their communities and families. But a hefty price tag, steep learning curves, and designs meant for younger eyes and hands could keep some older adults from logging on. Guests discuss the best ways for seniors to tackle new technology, and how devices can be adapted to accommodate older users. Fri, 24 May 2013 15:53:00 +0000 editor 25088 at http://kttz.org Tracking Killer Tornadoes http://kttz.org/post/tracking-killer-tornadoes Transcript <p>FLORA LICHTMAN, HOST: <p>The tornado that struck Oklahoma this week was classified as an EF5, highest ranking on the Enhanced Fujita scale. And if you've seen the pictures from Oklahoma, you have a sense of how powerful it was. And this storm visited towns that have been struck in the past. Moore, Oklahoma, had been hit by another EF5 in 1999. In fact, if you look at a national map of tornado probability, you'll see a kind of bull's eye radiating out right from around Moore. But why is that? What makes some parts of the country so susceptible to tornadoes? Fri, 24 May 2013 15:53:00 +0000 editor 25090 at http://kttz.org A Read Down Memory Lane: Lessons From Your Former Self http://kttz.org/post/read-down-memory-lane-lessons-your-former-self Writings from childhood — cards, stories and other notes — can hide for decades, like time capsules tucked away in boxes, old bedrooms, attics and journals. Writer Jim Sollisch talks about how old thank you notes from his youth foreshadowed his adult life. Thu, 23 May 2013 17:55:00 +0000 editor 25010 at http://kttz.org A Look Ahead To The Flash Point In The South China Sea http://kttz.org/post/look-ahead-flash-point-south-china-sea Beijing continues to pressure its neighbors over strings of disputed areas in the South China Sea that reportedly hold massive deposits of oil and gas. The ongoing disputes raise serious questions about China's goals in the region and how the United States should address escalating tensions. Thu, 23 May 2013 17:53:00 +0000 editor 25023 at http://kttz.org The President's Remarks On The Future Of National Security http://kttz.org/post/presidents-remarks-future-national-security In a speech at the National Defense University, President Barack Obama addresses the use of U.S. drones to target terrorists — including U.S. citizens — and his renewed efforts to close the military prison at Guantanamo Bay. Thu, 23 May 2013 17:48:00 +0000 editor 25022 at http://kttz.org How That 'Nigerian Email Scam' Got Started http://kttz.org/post/how-nigerian-email-scam-got-started You've probably seen it in your inbox before: Someone who claims to have come into a fortune needs your help. You can share in the profits — if you send along a deposit or your bank account number. Boston Globe correspondent Finn Brunton talks about the history of the "Nigerian prince" or "419" scam, which actually got its start long before email. Wed, 22 May 2013 20:31:00 +0000 editor 24968 at http://kttz.org