In 1980, Mt. St. Helens erupted, replacing two hundred miles of previously green terrain with course, arid lava rock and ash. Charlie Crisafulli, an ecologist, set out to study the landscape to see if it was doomed to remain as such. To his astonishment, life began almost instantly to sprout up among the rock, which is captured now in Mt. St. Helens Back From the Dead.
morelessIn this 2-hour episode from the ninth season, the PBS science documentary series looks at the remarkable variety of life forms on planet Earth, and how over one million species have evolved from a similar genetic toolkit. The film takes a new look at Darwin's familiar theory of natural selection and considers other scientific possibilities.
morelessDreams have been the material of soothsayers and the subject of analytical work by Sigmund Freud, but how much to we really know? NOVA's What Are Dreams? explores how the biochemistry of the brain creates dreams and what scientists and doctors currently think that dreams do for the brain's health and development. It studies common questions about nightmares, sleepwalking, and the psychological implication of dreaming.
morelessEvery year, monarch butterflies migrate nearly 2,000 miles across North America. NOVA investigates this migration in this episode, using helicopters, hot-air balloons, and other aircraft to get the butterflies' point of view as they travel across the continent. Narrators also discuss the increasing threat to this migration as the monarchs suffer the loss of their habitats.
morelessNOVA explores the perpetual mystery of Stonehenge in a new investigation of its ancient secrets. New sites have been excavated approximately one mile from the original site that add to current knowledge of its original purpose. Stonehenge researchers describe their current findings and what new questions have arisen in their exploration.
morelessArchitects and engineers plan the construction of One World Trade Center and the National September 11 Memorial & Museum.
NOVA and National Geographic go on a quest to discover the mines of King Solomon, one of the most celebrated kings of ancient Israel. Through archaeological investigations in Jordan, clues to Solomon's history such as an ancient copper mine and ancient inscriptions and messages are discovered that may unlock the mysteries surrounding this great king.
morelessIn this science documentary, the PBS NOVA series looks at Antarctica ice shelf and the clues it holds for climate change past and future. The melting of the region's ice could flood coastal cities around the world. The recent collapse of an ice shelf the size of Manhattan brought a research team to explore the potential for a devastating change.
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