FRONTLINE investigates American-born terrorist David Coleman Headley, who helped plan the deadly 2008 siege on Mumbai. In collaboration with ProPublica, the film reveals how secret electronic surveillance missed catching the Mumbai plotters, and how Headley planned another Charlie Hebdo-like assault against a Danish newspaper.
"American Terrorist" on Frontline airs on Thursday, April 23rd at 7 pm on channel 3.
Five times the length of Hadrian’s Wall, Hitler’s Siegfried Line was one of the greatest fortifications in the history of warfare. The campaign to breach it took six months and cost the American forces close to 140,000 casualties. This is the story of the men who built it and those who gave their lives fighting to defend — and destroy — it.
"Siegfried Line" on Nazi Mega Weapons airs on Wednesday, April 22nd at 9 pm on channel 3.
Twenty-five years ago, NASA launched one of the most ambitious experiments in the history of astronomy: the Hubble Space Telescope. In honor of Hubble’s landmark anniversary, NOVA tells the remarkable story of the telescope that forever changed our understanding of the cosmos and our place in it. But amazingly, when the telescope first sent images back to earth, it seemed that the entire project was a massive failure; a one-millimeter engineering blunder had turned the billion-dollar telescope into an object of ridicule.
For some animals, living in the midst of huge colonies of their own kind is the most secure and rewarding housing arrangement. Icelandic puffins form nesting colonies of more than a million, providing shared information about food sources and reducing the odds of attacks on individual birds. But colonies are useful for predators, too. Social spiders in Ecuador work together to capture prey 20 times the size an individual might subdue on its own.