NOVA | Hunting the Edge of Space: The Ever Expanding Universe Preview Watch part two Tuesday April 13, 2010, 8PM. C... Watch part two Tuesday April 13, 2010, 8PM. Check your local listings. (0:30)

• Duration: 0:30
  Copyright PBS DP COVE
  TV Rating: NR
  

NOVA | Hunting the Edge of Space: Mystery of the Milky Way Preview Watch part one Tuesday April 6, 2010, 8PM. Ch... Watch part one Tuesday April 6, 2010, 8PM. Check your local listings. (0:29)

• Duration: 0:29
  Copyright PBS DP COVE
  TV Rating: NR
  

NOVA | The Pluto Files Take a cross-country journey to explore the r... Take a cross-country journey to explore the rise and fall of America's favorite planet. (52:53)

Chapter(s) 1 - 6 of 6

• 1. 1.Preview,
  2. 2.Pluto Hater,
  3. 3.Cultural Icons,
  4. 4.Local Hero,
  5. 5.What's in a Name?,
  6. 6.New Horizons

• Duration: 52:53
  Copyright 2010 WGBH Educational Foundation
  TV Rating: NR
  

NOVA | Extreme Cave Diving Scientists journey into one of Earth's most d... Scientists journey into one of Earth's most dangerous and beautiful underwater frontiers. (52:51)

Chapter(s) 1 - 6 of 6

• 1. 1.Preview,
  2. 2.Underwater Caves,
  3. 3.Animal Fossils,
  4. 4.Birthplace of Humankind,
  5. 5.A Dangerous Dive,
  6. 6.Warning for the Future

• Duration: 52:51
  Copyright © 2010 NGHT, LLC and WGBH Educational Foundation. All Rights Reserved
  TV Rating: TV-PG
  

NOVA | Ghosts of Machu Picchu Why did the Incas abandon their city in the c... Why did the Incas abandon their city in the clouds? (52:52)

Chapter(s) 1 - 7 of 7

• 1. 1.Preview,
  2. 2.Lost City,
  3. 3.Patallacta Skulls,
  4. 4.Royal Architecture,
  5. 5.Remarkable Engineering,
  6. 6.Location, Location, Location,
  7. 7.A Site Left Untouched

• Duration: 52:52
  Copyright © 2009 NGHT, Inc. and WGBH Educational Foundation.
  TV Rating: TV-PG
  

NOVA | Riddles of the Sphinx A marvel of ancient engineering is vanishing.... A marvel of ancient engineering is vanishing. Can it be saved? (53:07)

Chapter(s) 1 - 7 of 7

• 1. 1.Preview,
  2. 2.The Great Sphinx,
  3. 3.Building Big,
  4. 4.Ancient Tools,
  5. 5.Who Built the Sphinx?,
  6. 6.The New Kingdom,
  7. 7.Eternal Life

• Duration: 53:07
  Copyright © 2010 WGBH Educational Foundation
  TV Rating: TV-G
  

NOVA | Building Pharaoh's Ship Can the legendary trading vessel of an Egypti... Can the legendary trading vessel of an Egyptian queen sail again? (53:22)

Chapter(s) 1 - 7 of 7

• 1. 1.Preview,
  2. 2.A Seafaring People,
  3. 3.Modeling Hatshepsut's Ship,
  4. 4.Keeping the Water Out,
  5. 5.Building on the Nile,
  6. 6.Out to Sea,
  7. 7.Sailing Southward

• Duration: 53:22
  Copyright © 2009 WGBH Educational Foundation
  TV Rating: TV-G
  

NOVA | Killer Subs in Pearl Harbor Dive beneath the surface to discover an untol... Dive beneath the surface to discover an untold story of WWII. (52:52)

Chapter(s) 1 - 6 of 6

• 1. 1.Preview,
  2. 2.Surprise Attack,
  3. 3.Midget Subs,
  4. 4.Pearl Harbor Puzzle,
  5. 5.Hitting the Target,
  6. 6.The Final Clue

• Duration: 52:52
  Copyright © 2010 WGBH Educational Foundation
  TV Rating: TV-PG
  

NOVA | What Darwin Never Knew One hundred and fifty years later, scientists... One hundred and fifty years later, scientists decode nature's greatest mysteries. (1:52:07)

Chapter(s) 1 - 14 of 14

• 1. 1.Preview,
  2. 2.Unanswered Questions,
  3. 3.The Galapagos,
  4. 4.Descent with Modification,
  5. 5.Natural Selection,
  6. 6.The Magic of DNA,
  7. 7.23,000 Genes,
  8. 8.Fruit Flies,
  9. 9.Gene Switches,
  10. 10.A Transitional Form,
  11. 11.From Fins to Limbs,
  12. 12.The Hand,
  13. 13.Our Brains,
  14. 14.What Makes Us Human?

• Duration: 1:52:07
  Copyright © 2009 WGBH Educational Foundation
  TV Rating: TV-PG
  

NOVA | Becoming Human Part 3 Last Human Standing: Many human species once ... Last Human Standing: Many human species once shared the globe. Why do we alone remain? (51:32)

Chapter(s) 1 - 5 of 5

• 1. 1.Other Humans,
  2. 2.The Boy From Scladina,
  3. 3.Brink of Extinction,
  4. 4.The Rise of Culture,
  5. 5.Sole Survivors

• Duration: 51:32
  Copyright © 2009 WGBH Educational Foundation
  TV Rating: TV-PG