Extreme Cave DivingDVD | Widescreen version.
Follow Dr. Kenny Broad as he dives into blue holes, the underwater caves that formed during the last ice age when sea level was nearly 400 feet below what it is today. With an interdisciplinary team of climatologists, paleontologists, and anthropologists, Broad investigates the hidden history of Earth's climate as revealed by finds in this spectacularly beautiful 'alternate universe.'
Edition: Widescreen version.
Copyright Date: ©2010
Branch Call Number: DVD 551.447 EXT
Characteristics: 1 videodisc (56 min.) :,sound, color ;,4 3/4 in.
Alternative Title: Nova (Television program)