Research, education and economics (a mission area within USDA).
Register of Educational Establishments
Research, Education and Economics mission area of USDA.
Register of Education Establishment
Rare Earth Elements, including cerium and yttrium and others.
Rare Earth Elements. Elements with atomic numbers 57 (Lanthanum) to 71 (Lutetium) inclusive plus scandium and yttrium.
Rare earth element, or rare earth, elements like cesium, lanthanum, etc.