AthenaWeb
Videoportal devoted to the scientific communication of the Directorate General for Research European Commission (in english).
http://www.athenaweb.org

BioClips
Videoportal of the Centre National de la Recherche Scientifique fthat promotes the creation, exchange and distribution of multimedia documents about sciences  (in french/english).
http://www.bioclips.com

Canal U
University channel promoted by the French Ministry of the Superior Education and the Research (in french).
http://www.canal-u.education.fr/index.php/canalu

Edu3.cat
Educational video channel about natural sciences, social, mathematical sciences and technology, among other subjects, promoted by the Department of Education of the Generalitat de Catalunya and the Catalan Corporation of Audiovisual Mediums  (in catalan).
http://www.edu3.cat/

Global Educational Outreach
Webpage from the University of Florida with videos and presentations adressed to science, engineering and technology teachers. (in english)
http://geoset.info/

Journal of Visualized Experiments (JoVE)
Video channel in accordance to contents about research linked to the area of the biological sciences  (in English)).
http://www.jove.com

L'IPHES at YouTube
Video channel of the Institute of Human Paleo-Ecology and Social Evolution lead by Eudald Carbonell (in catala).
http://es.youtube.com/user/iphesvideos

Berkeley University at You Tube
Video channel of the University of California, Berkeley (in english).
http://www.youtube.com/ucberkeley

Live Science
Video channel about science, technology and history of the North American company Imaginova (in english)
http://www.livescience.com/

MIT TechTV
Massachusetts Institut of Technology webpage, broadcast videos about science and engineering. (in english).
http://techtv.mit.edu

Media mi+d
Science and technology channel and video searcher from the Community of Madrid (madri+d) (in Spanish).
http://www.madrimasd.org/

NASA TV
NASA video channel (in english).
http://www.nasa.gov/multimedia

Recerca en acció
Web with lastest Catalan scientific research, including all disciplines (in Catalan).
http://www.recercaenaccio.cat/

Science Hack
Advanced scientific video search. Videos broadcast in this channels have been previously supervised and indexed by scientifics (in English).
http://sciencehack.com/

Scivee
Web site that allows the scientific community to upload information about it their published works in format of video with the goal to spread the science on a large scale and to facilitate its understanding (in English).
http://www.scivee.tv

Stage6
Platform with audiovisual contents linked to the science and the research, among other subjects (in Spanish and English)
http://www.stage6.com/videos/tag:ciencia

Steve Spangler Science
Science video channel from the prestigious North American science commentator Steve Spangler (in English).
http://www.stevespanglerscience.com/video/

The Royal Society
Royal Society of London web page with videos and presentations of lectures imparted in this prestigious British academy (in English)
http://royalsociety.tv/dpx_live/dpx.php?dpxuser=dpx_v12

Télé Sciences
Video channel from web site science.gouv.fr, promoted from the French public organization Centre de Ressources et d'Information sur les Multimédias pour l'Enseignement Supérieur (in french).
http://www.science.gouv.fr/index.php?qcms=telescience

sies.tv
Video channel devoted to knowledge and innovation, Catalan TV Channel IP sies.tv (in Catalan).
http://www.siestv.com/detall_video_categoria8_nou.php?categoria=Innovació