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NOVA
Search Engine Breakdown
Why does a widely used internet search engine deliver results that can be blatantly racist and sexist? Two leading information researchers investigate their discoveries of hidden biases in the search technology we rely on every day.
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53:15
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
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53:23
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
53:51
Join scientists as they grab light from across the universe to prove quantum entanglement.
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53:21
Follow engineers and woodworkers as they rebuild an iconic American covered bridge.
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53:34
Follow the harrowing operation to rescue 12 boys stranded in a flooded cave in Thailand.
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53:15
How courage and ingenuity saved Allied troops during the epic Dunkirk operation in 1940.
53:26
Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.