Portable media devices such as iPods are changing the way people learn. Educational podcasts allow educators an easy way to keep current on research and materials for teaching. NSDL on iTunesU has new podcasts on climate change and other episodes in the Beyond Penguins and Polar Podcasts. Also new on NSDL on iTunesU: the Exploratorium features fun, hands-on activities with step-by-step videos specifically geared to bring creativity and science into afterschool play. You can also find these on the Exploratorium website.