Here’s Kenji’s YouTube channel (almost a million subscribers):
https://www.youtube.com/channel/UCqqJQ_cXSat0KIAVfIfKkVA
His videos are a similar style to his book, where he sometimes talks about science. For example in this video:
https://www.youtube.com/watch?v=U3gvRjIQ6Lo
At the 1:45 mark, he talks about the physics behind selecting tomatoes At the 4:01 mark, he talks about boiling water (volume, heat, etc) in relation to cooking pasta