8 集
The Pluto Files - 8

The Pluto Files - 8
Since its discovery in 1930, Pluto has held a warm place in the public imagination. So, when the American Museum of Natural History's Hayden Planetarium stopped calling Pluto a planet, director Neil deGrasse Tyson found himself at the center of a firestorm-a firestorm led by angry, Pluto-loving elementary school students. But what is it about this cold, distant rock that captures so many hearts?
What Darwin Never Knew - 7

What Darwin Never Knew - 7
Stunning breakthroughs in a new science - nicknamed "evo devo" - are revealing answers to the riddles that Darwin couldn't explain.
Last Exctinction: Megabeasts' Sudden Death - 6

Last Exctinction: Megabeasts' Sudden Death - 6
A provocative new theory about what killed off America's mammoths at the end of the last Ice Age.
The Incredible Journey of the Butterflies - 5

The Incredible Journey of the Butterflies - 5
NOVA flies along with the monarch butterflies, visiting the spectacular locations they call home and meeting the dangers they encounter along the way.
Ocean Animal Emergency - 4

Ocean Animal Emergency - 4
San Francisco veterinarian Dr. Frances Gulland is committed to saving sick marine mammals, but she's also desperately trying to figure out what's killing them.
Alien From Earth - 3

Alien From Earth - 3
NOVA investigates the furious scientific debate raging over what "Hobbit" bones represent.
Fractals: Hunting the Hidden Dimension - 2

Fractals: Hunting the Hidden Dimension - 2
A revolutionary new branch of math called fractals has changed the way we see the world and opened up a vast new territory to scientific analysis and understanding.
Columbia: Space Shuttle Disaster - 1

Columbia: Space Shuttle Disaster - 1
Through interviews with astronauts, their families and members of the Columbia Accident Investigation Board, this program gives viewers a new look at the Columbia space shuttle tragedy - and at NASA itself.













