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Life Science: Surviving Desert Extremes (4:08)
Drought, extreme temperatures and scarce food make life difficult for species in the Kalahari Desert. Learn how the meerkats use their adaptations to survive these cycles of heat and cold and the dry season.
Earthquakes: The Science of Earthquakes (4:20)
Earthquakes are caused by plate tectonics and faults.
Discovery Wonders of Weather: Lightning Phenomena (5:05)
Lightning will strike anything that stands high above the ground. Trees are a favorite target. Watch a lightening video at HowStuffWorks.
Why? Tell Me Why! Alaska Oil (1:30)
After spending a week in Alaska, Discovery News' Kasey-Dee Gardner wanted to find out why the state is so abundant in that resource.

