Scientists in the field series

"Part science, part carnival--this winding adventure down the Amazon River ... explores how tiny fish, called piabas, can help preserve not only the rainforest and it's often misunderstood inhabitants, but the fate of our entire environment."--.

Photographs and text follow Arctic whale scientist Craig George into the field where he studies the bowhead whale and learns from the Inupiaq--the Inuit people of North Alaska.