A team of blacksmiths, welders, artists and scientists have been working together in Canada to mount the T. rex bones without damaging them. Metal cradles hold 150 of the major bones precisely in place. Research Casting International hide caption

itoggle caption Research Casting International

Ken (left) and Henry were created using DNA plucked from a skin cell of Melvin, the beloved pet of Paula and Phillip Dupont of Lafayette, La. Edmund D. Fountain for NPR hide caption

itoggle caption Edmund D. Fountain for NPR

Dry conditions in California have limited the amount of pollen and nectar bees can collect. Ezra David Romero/Valley Public Radio hide caption

itoggle caption Ezra David Romero/Valley Public Radio

Lily chases sheep for the first time in her shepherd-mix life, at Raspberry Ridge Sheep Farm in eastern Pennsylvania. Several times a year the farm invites dogs for "herding instinct tests." Fred Mogul/WNYC hide caption

itoggle caption Fred Mogul/WNYC