Our media search algorithm regularly crawls sites like youtube.com, scribd.com, slideshare.com, soundcloud.com. Only content which is publicly available, and which the original uploader (on the external host) intended to share / allow embedding are displayed on sciencestage.com. Please bear in mind that we cannot remove content from external hosts like youtube.com, scribd.com, slideshare.com, soundcloud.com etc.. Please click thought where the original content or media is hosted and contact the host e.g. youtube.com for removal. Once its removed there it will disappear on sciencestage.com.