Season: 9 - Episode: n/aSteve Sillet climbs a massive redwood, 350 feet in the sky, in order to study the unique environment of the forest canopy.
Season: 9 - Episode: n/aWorking under a tight deadline, scientists extract samples that will help describe their young mummy's life.
Season: 9 - Episode: n/aEaster Island's inhabitants used up all their resources and eventually died out -- a lesson for us all.
Season: 9 - Episode: n/aA team of defense lawyers attempts to save a man with a tragic childhood from death row.
Season: 6 - Episode: 8Explorer investigates the science behind the dangers of a high-altitude electromagnetic pulse, or HEMP.
Season: 5 - Episode: 12Joseph Mengele spent years doing bizarre medical experiments on twins at Auschwitz...but did his research end there?
Season: 4 - Episode: 11Join the search for an elusive man-sized predator that may hold the key to evolutionary science.
Season: 2 - Episode: 20Outwardly a white power group, this violent prison gang's real interest is in controlling drug and extortion rackets.
Season: 1 - Episode: 1Lisa Ling investigates terrorism's new face - female suicide bombers.