David Sands recorded this Aquacast at the Aquarium on May 14, 2014. Montana State University professor and plant pathologist David Sands discusses his work in researching bacteria that play a role in battling crop diseases.

Tom Tomlinson recorded this Aquacast at the Aquarium on May 8, 2014. He shares the natural history, local importance, and ecological role of the Southern California steelhead.

Paul Gaffney recorded this Aquacast at the Aquarium on March 4, 2014. During his thirty-five-year career in the Navy, where he reached the rank of vice admiral, Gaffney headed the Navy’s research program and was president of the National Defense University.

Christy Wilhelmi recorded this Aquacast at the Aquarium on March 12, 2014. Wilhelmi is the author of Gardening for Geeks and founder of Gardenerd.com.