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NOVA
What Happens to Your Checked Bag at the Airport?
Have you ever wondered what happens to your checked bag at an airport? At LaGuardia Airport, their new, state-of-the-art tracking system was designed to process 40 million bags a year— up to 6,000 bags every hour. Discover how this ingenious system works.
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53:31
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
50:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
51:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
53:50
An American combat hospital mobilized in Iraq faces a daily drama of wartime treatment.
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Will experimental particle physics confirm the wild predictions of string theory?
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Do miniscule vibrating strands of energy hold the key to a unified theory of physics?
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Combining the laws of the universe in one theory that explains it all is the Holy Grail
