The video links below may lead to one of three video locations or formats:
- NIH: These videos were captioned with assistance from the National Institutes of Health (NIH). Use the CC button for supplemental text captioning.
- YouTube: These video links are to captioned files on YouTube. To see the captions, click on the [cc] button at the bottom of the video player.
- Nixon Library: Captionless MP4 files.