Podcasts can be great sources of current information on a topic. They may also be useful in demonstrating how experts express ideas and arguments.
CNN PodcastsCNN Podcasts features original, on-demand audio content, as well as audio-only versions of CNN's most popular television shows.
NPR PodcastsNPR Podcasts provides a directory of podcasts from National Public Radio, organized into categories such as business, education, government, health and fitness, news, science, society and culture, and technology.
On PointOn Point is an NPR show on which the hosts
speak with newsmakers and real people about current issues related to topics such as the economy, health care, politics, and the environment.
Videos
TED Talks are another way to explore your topic, as well as how experts express their ideas.
TED TopicsTED Topics provides a list of TED Talks organized by topic.