Videos
All videos on this site are copyrighted and are available for individual viewing only. You can embed the YouTube videos on a blog or website provided that you link back to this site as the source. They may not be downloaded, duplicated, or used in presentations or talks. I do not permit them to be broadcast on television unless I am on camera discussing the science behind them.
If you would like to use my videos in teaching or presentations, they are available on DVDs from
Viscog Productions. If you have questions about their DVDs, please
email Viscog Productions.
Try it yourself

Each of the videos in this player allow you to try an experiment for yourself. I would suggest trying them in order. Just follow the provided instructions.
Videos illustrating studies

The videos in this player illustrate studies that I have conducted over the years. More will be added soon.
Dan speaking and other related videos

The videos in this player include talks I have give as well as presentations and explanations of my work. Yes, that's me in the gorilla suit.