One of my proudest moments in a crystallographic career that began in 1983! …mistry-europe.onlinelibrary.wiley.com/toc/10990682c/… Thanks @DavidLiptrot2 for the collaboration that put my penguins on this cover....

I've entered to win a LEE Filters Super Stopper and ND Grad Kit with Nature TTL! bit.ly/2dnsKSn

Win a LEE Filters Super Stopper & ND Grad Kit! bit.ly/2dnsKSn