However, transporting precious samples across international borders is fraught with difficulties. (science.sciencemag.org)
This impressive performance, that delivers great results whilst saving precious samples, is further supported by a number of recent research publications. (scientistlive.com)
I realize it sounds a bit strange, but I have so many rare and precious samples in my collection that can't be used for teaching, because they'll likely be destroyed by excessive handling. (thedressedaesthetic.com)