3. Warnings From the Ice It happened virtually overnight: Eleven thousand years ago, the world's temperatures suddenly rose... 54 min on 1 DVD
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4. Mysterious Life of Caves Gather your courage and take a trip deep into the dark recesses of some of the world's most unusua... 55 min on 1 DVD
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5. Bone Diggers Deep beneath the Nullarbor Plain, one of Australia's most hostile and barren landscapes, lies an ... 56 min on 1 DVD
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6. Science K-6: Investigating Classrooms Science K-6: Investigating Classrooms invites you to step inside three elementary classrooms to se... 420 mins on 9 VHS/110 pps in 1 book