Biologist Robert Full studies the amazing gecko, with its supersticky feet and tenacious climbing skill. But high-speed footage reveals that the gecko's tail harbors perhaps the most surprising talents of all.
What is the mysterious "dark energy" driving space to rapidly expand? What existed before the Big Bang? Is there an origin of time? This debate from the World Science Festival talks about new advances that are shaping our understanding of the cosmic order and our place within it.
Ed Ulbrich, the digital-effects guru from Digital Domain, explains the Oscar-winning technology that allowed his team to digitally create the older versions of Brad Pitt's face for "The Curious Case of Benjamin Button."
"Rock-star physicist" Brian Cox talks about his work on the Large Hadron Collider at CERN. Discussing the biggest of big science in an engaging, accessible way, Cox brings us along on a tour of the massive project.
Researcher Kwabena Boahen is looking for ways to mimic the brain's supercomputing powers in silicon -- because the messy, redundant processes inside our heads actually make for a small, light, superfast computer.
Cynthia Breazeal portrays her robotic creatures as attempts to create socially intelligent machines "whose behaviors are governed not just by physics but by having a mind" and which might someday collaborate with humans in critical interactions.
Derren Brown reproduces the Milgram experiment which measured the willingness of study participants to obey an authority figure who instructed them to perform acts that conflicted with their personal conscience.
Sci-fi TV show "Battlestar Galactica" has been much praised for its gritty realism - despite being the story of space-borne refugees fleeing genocidal robots. Its treatment of subjects like suicide bombing and torture have won it plaudits from all corners...