Asteroid: Doomsday or Payday?
The dichotomy that surrounds asteroids is examined.
At the Edge of Space
A weather observation plane skirts the earth-space divide.
Making Stuff Safer
Conclusion. A look at efforts to engineer a safer world.
Making Stuff Colder
Part 3 of 4. Examining cold science.
Making Stuff Wilder
Part 2 of 4. A look at innovations inspired by life.
Making Stuff Faster
Part 1 of 4. Things that may change people's lives.
12/9/13 4:00 AM
12/9/13 4:00 PM
12/12/13 2:00 AM
12/12/13 7:00 PM
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For 45 centuries, the Great Sphinx has cast its enigmatic gaze over Egypts Giza plateau. This strange half-human, half-lion image has inspired countless fantastic theories about its origins. Nova's expert team of archeologists, including Mark Lehner (director, Ancient Egypt Research Associates), carries out eye-opening experiments that reveal the techniques and incredible labor that was invested in the carving of this gigantic sculpture.
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