Calling: Earth.

Cassandra Smith, a doctoral candidate in the USF School of Geosciences, discusses her research into volcanic lightning. More about Cassandra can be found here: https://works.bepress.com/cassandra-smith/ Calling: Earth is a production of the USF Libraries in cooperation with the USF School of Geosciences. Questions, comments, and any other feedback can be directed to callingearth@usf.edu.