Arachnologist Rodrigo Willemart works on arachnids in Brazil. He talks about encountering large mammals like bears and jaguars, getting professional and personal help from army-ants, and traversing a fast-flowing stream. More about Rodrigo:...

Zoologist and science historian George Beccaloni tells us about growing up in Africa, butterflies, cockroaches, his interest in the life of Alfred Russel Wallace, and how he became a ship's naturalist. More about George's projects: Wallace Correspondence Project:...