Marking our 500th video

Our periodicvideos chemistry channel has now uploaded 500 videos.

To mark this milestone (in base 10, at least) we've posted a few videos.

The main one is this music montage of highlights from the last five-and-a-half years.



Thanks to Alan Stewart for the great track, written specially for the occasion.

We also posted two Q&A videos, with Professor Martyn Polikaoff answer questions from our viewers (posted via Twitter and Facebook).

Here's the first:



And the second:



Periodicvideos stars various chemists from the School of Chemistry and the University of Nottingham.