Wednesdays starting at 8/7c

PBS shares the most exciting and inspiring stories that provide the answers that curious minds crave. So much awesome, so little time.

Think Wednesday continues Wednesday, Jan. 25 starting at 8/7c.

NATURE: A Sloth Named Velcro @ 8/7c

Sloths, once largely ignored, have become a hot topic of scientific researchers. Sanctuaries and rehabilitation centers are also springing up, as development often displaces these gentle creatures. Filmed in Panama, Costa Rica and Colombia, this is a story of friendship between a journalist and the sloth she named Velcro and a network of people working to learn more about sloths in order to protect them.

NOVA: Sunken Ship Rescue @ 9/8c

NOVA follows the epic operation to secure, raise and salvage the Costa Concordia cruise ship, which ran aground and capsized off the coast of Italy on January 13, 2012, killing 32 people. The wreck stretches the length of three football fields, weighs 45,000 tons and lies half submerged on the site of a protected reef, with a 160-foot-long hole in its hull. Moving it from its precarious perch on the edge of an underwater cliff will be a huge technical and logistical challenge. Now, NOVA joins a team of more than 500 divers and engineers working around the clock as they attempt the biggest ship recovery project in history.

Alzheimer's: Every Minute Counts @ 10/9c

Explore an urgent wake-up call about the national threat posed by Alzheimer’s disease. This powerful documentary illuminates the impending social and economic crisis for America unless a cure for Alzheimer’s is found.

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