The PDFs of Tim’s Powerpoint can be downloaded below: (the powerpoint is split into 3 parts due to the size restrictions of documents we can host. If you would like the powerpoint in one PDF file, please contact dan[at]bag-englisch.de)
Here are are the videos from Tim’s talk:
Click on “TED” in the top left-hand corner of each video to find the original video on the TED website. From here you can download the video, or the audio from the video, as well as the transcript of the video.