How to pick the best Easter Egg? X-raying it would be one option. @SamuliSiltanen and his student Alexander Meaney show how it's done. Happy Easter to all our followers! #HelsinkiUni #Easter Take a look at Samuli's YouTube channel "Samun tiedekanava": https://t.co/uOwbiGb9YE
— University of Helsinki (@helsinkiuni) March 29, 2018 14:00