This article
http://www.sciencemag.org/news/2018/09/ ... id=2365656
has some images, and two links
The first leads to a video well worth seeing,
the second to the original publication which is behind a paywall.
I haven't seen some of this before and find it a little bit "wow".
I can't quite believe it's as easy as he makes it look.
Clearing and staining: technique & video
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