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German filmmaker Werner Herzog was one of the few people permitted to enter a cave in France containing the oldest recorded cave paintings. What he saw — and what he imagined — is the subject of his documentary, The Cave of Forgotten Dreams.

Tate made a string of hits in the '60s, but then disappeared from public view for more than 30 years. In 2003, he joined record producer Jerry Ragovoy on Fresh Air for a conversation about their collaborations.

The U.S. trade deficit narrowed in October to its lowest point of the year as Americans bought fewer foreign cars and imported less oil. Exports of American-made autos also fell.

Set in the Cold War era, the espionage thriller Tinker, Tailor, Soldier, Spy spotlights a retired security agent's mission to uncover a Russian spy within Britain's MI6. David Edelstein says the movie is thrilling, creepy and full of "faces you'll love to study."

In Asia's Space Race: National Motivations, Regional Rivalries, and International Risks, Naval Postgraduate School professor James Clay Moltz discusses the potential militarization of fast-growing space programs in China, India, and Japan--and why US military officials are keeping watch.

Presenting at a meeting of the American Society of Tropical Medicine and Hygiene, researchers said bedbugs can survive many generations of inbreeding, allowing one pregnant female to cause a building-wide infestation. Biologist Rajeev Vaidyanathan discusses that study, and another on pesticide resistance.

When they both worked at Princeton, Howard Stone and Jeff Aristoff used to play basketball at lunchtime. One day, when Dr. Stone was warming up with his jump rope, the two wondered if anyone had mathematically modeled the shape of the rope. The two researchers decided to give it a whirl.

Reporting in Science, researchers write of an experiment in which rats worked to open the cages of trapped rats, but not empty or dummy-filled cages. Author Peggy Mason discusses empathy in non-primates, and the value rats place on freeing a companion--about equal to that of a stash of chocolate chips.

The review comes just days after the United States said it would use its foreign aid to advance gay rights.

Adult Burmese pythons can swallow prey as large as deer. Now, researchers from the University of Colorado, Boulder say the way the python's heart balloons after it eats could help treat human heart disease. Molecular biologist Leslie Leinwand discusses her team's python experiments.