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NOVA
Elephant Arm
The arm is controlled by inflating an accordion-like tube on one side to bend the arm the other way.
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52:56
Do miniscule vibrating strands of energy hold the key to a unified theory of physics?
52:55
Combining the laws of the universe in one theory that explains it all is the Holy Grail
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53:40
Anorexia, bulimia, and other eating disorders are on the rise. What can be done?
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53:54
In Greenland, a deserted B-29 bomber awaits rescue for more than fifty years.