Mass.) WGBH (Television station : Boston

Arthur's lost library book: In the first story, Arthur can't find the scary library book he checked out. D.W.'s imaginary friend: Much to Arthur's embarrassment, D.W. has invented an imaginary friend. When D.W. brings "Nadine" to the amusement park, Arthur learns that even imaginary friends--and little sisters--aren't always so bad. D.W.'s library card: After finally getting her first library card, Arthur's little sister D.W. tries to check out her...

Examines heart disease, the number one killer in America and one of the nation's greatest health challenges for both men and women. Presents personal stories that showcase the scientific advances that are transforming the field of cardiology and the effect these changes will have on people stricken with heart disease. Includes a discussion hosted by Larry King in which medical experts and physicians present strategies and practical tactics for improving...

A devastating earthquake and tsunami crippled Japan's Fukushima Daiichi nuclear complex, leaving the country's once popular energy program in shambles. In response, Germany decided to abandon nuclear energy entirely. Should the U.S. follow suit? Frontline correspondent Miles O'Brien examines the implications of the Fukushima accident for U.S. nuclear safety, and asks how the disaster will affect the future of nuclear energy around the world.

Explores the true meaning of justice when a brilliant, but widely unpopular, defense attorney is found stabbed to death, a barrister's wig on her head, and her body drenched in blood that is not her own.

The dramatic story of the fight over the CIA's controversial interrogation methods, widely criticized as torture. Based on recently declassified documents and interviews with key political leaders and CIA insiders, the film investigates what the CIA did and whether it worked.

"Some five centuries ago, a major revolution overturned traditional ship design: in just a few years, ships were transformed from small coastal-bound transports into massive ocean-going vessels. Once regular trans-oceanic travel became feasible, everything changed. Powerful navies arose and fought for supremacy at sea, while the new ships enabled empire-building European powers to invade and colonize Indigenous lands and exploit their peoples. How...

First, George accidentally frees some of the animals at the zoo. Then, George discovers that different animals make different tracks. Next, George learns that all living things behave in different ways. Then, George designs and builds the perfect pigeon perch. Next, George must gather and analyze evidence to prove that Gnocchi has been wrongfully accused. Then, George realizes that dogs come in all different shapes and sizes. Next, George learns a...

Physicist Brian Greene discusses the historical quest for a grand unified theory in physics which will reconcile quantum physics and general relativity, and considers the possibility that superstring theory may bring an end to that search.

Detective Superintendent Jane Tennison finds herself searching for Sallie Sturdy, a fourteen-year-old girl presumed murdered. Facing the hospitalization of her father, descending deeper into alcoholism, and resisting pressure to retire quietly, Tennison vows to bring Sallie's killer to justice before ending her career. She forges a surprising friendship with Penny Philips, Sallie's best friend.

Superintendent Albert Tyburn investigates the death of a newspaper baron, found burned to death in his bed.