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NOVA
How the Hormone Leptin Helps Regulate Appetite
A young man with lipodystrophy receives treatment after researchers find a hormone in mice that helps regulate appetite in humans.

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53:21
Follow the epic journey of dog domestication and see what science says about dogs’ love.

1:52:46
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.

53:30
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.

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53:25
Can new engineering techniques help prevent deadly bridge collapses?

53:15
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.

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53:32
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.

53:22
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.

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53:34
New technologies are promising a new renaissance in space travel.

53:23
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.

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53:15
Journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi in 2018.

53:51
Join scientists as they grab light from across the universe to prove quantum entanglement.