Aquacast recorded on February 21, 2013. Philosopher Nancy Ellen Abrams and physics professor Joel Primack discuss a new vision of the universe based on dark matter, dark energy, and cosmic evolution.

David Helvarg

The mission of the Long Beach, California-based Aquarium of the Pacific is to instill a sense of wonder, respect, and stewardship for the Pacific Ocean and its inhabitants. Through its year-round Guest Speaker Series, visitors are able to learn about the most current and pressing issues related to the ocean and environment. Experts share their knowledge and stories about local and global conservation issues in these short video podcasts.