Explore cutting-edge research from ACS National Meetings free of charge with hundreds of recorded presentations from the 2011 ACS National Meetings. More free presentations from other ACS Meetings is also available at http://www.acs.org/meetingcontent

Explore videos ranging from animal feedings, lectures, Academy research, and more.

Distinctive Voices highlights innovations, discoveries, and emerging issues in an exciting and engaging public forum. Do you wonder how things work? What the future holds? If you are curious about the science and technology behind today's hot topics, Distinctive Voices is for you! Learn from some of the best minds in the world—including members of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine—in presentations geared to the general public.

iTunes U — a powerful distribution system for everything from lectures to language lessons, films to labs, audiobooks to tours — is an innovative way to get educational content into the hands of students. Includes more than 350,000 free lectures, videos, films, and other resources — from all over the world.

Kavli Frontiers of Science symposia bring together outstanding young scientists to discuss exciting advances and opportunities in a broad range of disciplines. By doing so, Frontiers helps to remove communication barriers between fields and encourages collaborations.

This is the YouTube video channel of www.MoleClues.org, the Web site where scientists and young people come together! MoleClues and MoleClues TV are created by Molecular Frontiers Foundation, engaging youth in molecular science!

The nanoHUB is a rich, web-based resource for research, education and collaboration in nanotechnology. The nanoHUB hosts resources to help you learn about nanotechnology, including Online Presentations, Courses, Learning Modules, Podcasts, Animations, and Teaching Materials. The nanoHUB offers web-based tools that help you learn about and that simulate nanotechnology devices. The nanoHUB also provides a collaboration environment via Workspaces, Online Meetings and User groups.

Contains selected highlights from Academy reports, programs, and events.

The NSF Multimedia Gallery contains over 3,300 multimedia resources that includes images, video, and audio, plus audio slideshows, interactive features, and screensavers. You can search the collection and limit results to these research areas: Arctic & Antarctic, Astronomy & Space, Biology, Chemistry & Materials, Computing, Earth & Environment, Education, Engineering, Mathematics, Nanoscience, People & Society, and Physics.

Tables charting the chemical elements have been around since the 19th century, but this modern version has a short video about each one. Tables charting the chemical elements have been around since the 19th century, but this modern version has a short video about each one. All these videos are created by video journalist Brady Haran, featuring real working chemists from the University of Notttingham.

Watch and listen to Royal Society events online, at home, in the office, or on the move. Our public events and prize lectures feature cutting-edge science, revealing history of science, and the exploration of science and culture.

ScienceCinema uses innovative, state-of-the-art audio indexing and speech recognition technology from Microsoft Research, allowing you to search for specific words and phrases spoken within video files. You can then easily access the exact point in the video where the words were spoken by the presenter. Videos in ScienceCinema highlight leading-edge research from the U.S. Department of Energy as well as the European Organization for Nuclear Research (CERN).

SlideShare is the world's largest community for sharing presentations. With 60 million monthly visitors and 130 million pageviews, it is amongst the most visited 200 websites in the world. Besides presentations, SlideShare also supports documents, PDFs, videos and webinars.

TED is a nonprofit devoted to Ideas Worth Spreading. TED Talks began as a simple attempt to share what happens at TED with the world by releasing talks online. The reaction was so enthusiastic that the entire TED website has been reengineered around TED Talks, with the goal of giving everyone on-demand access to the world's most inspiring voices.

An Independent Broadcaster of Informed Scientific Visual and Audio Media, Vega is a not for profit trust which broadcasts science programs for free over the internet. Their programs feature experts in science and engineering and many have been broadcast on mainstream television. This site contains a growing archive of some of the world’s most famous scientists who discuss their lives and discoveries as well as their concerns.