[dark_star]

Direct link to paper with the X-ray images of the bee nests:

https://www.sciencedirect.com/science/article/pii/S001670612...

[adriand]

Here are some links to images. Photographs of the setup:

https://ars.els-cdn.com/content/image/1-s2.0-S00167061230033...

And then various shapes:

https://ars.els-cdn.com/content/image/1-s2.0-S00167061230033...

https://ars.els-cdn.com/content/image/1-s2.0-S00167061230033...

Over time:

https://ars.els-cdn.com/content/image/1-s2.0-S00167061230033...

[dang]

OK, we've changed the URL to that from https://www.science.org/content/article/most-bees-live-under.... For the pictures.