A group of graduate students from Rice University in Houston, Texas have developed a new Apple Ipod application that could make the development of needed drug therapies faster and cheaper.  A member of the group joins us on today's One on One Segment to tell us more about their work as well as the resulting app. Also... As the world marks World AIDS Day on Sunday December 1st, a new UN report is providing some hope in the battle against this deadly disease. Did the “comet of the century” ISON fizzle out after its close brush with the Sun or did it survive to continue its journey back into the far reaches of our solar system? We'll hear how a unique network of thousands of volunteers and personal computers from around the world has helped scientists discover four new gamma-ray pulsars. South Korean officials say that North Korea has trained a cyber-army to carry out cyber-attacks and its soldiers are receiving support in China. U.S. scientists are conducting a study that they hope will increase the number of donor lungs available to patients needing transplants.   Fire experts say most of the so-called megafires that have caused so much damage in various countries stem from a combination of climate change, land use and human mismanagement that is turning landscapes into tinderboxes.