12:22
A Robot Lab to Survey the Sea Floor
Researchers are developing a DNA-sampling robot for undersea exploration.
4:29
Engineering in Service of a Dark Art
A biologist takes shadow puppetry to the next level.
8:21
Mysterious Radio Bursts, Sent From Deep Space
Physicists say the distant radio blasts could be traces of evaporating black holes.
16:48
Physicists Find New Particle, Look for Answers
Despite the discovery of the Higgs boson, mysteries still abound in theoretical physics.
8:40
With Chemical Tweaks, Cement Becomes a Semiconductor
Researchers explain how a cement can take on some of the properties of a metal.
20:37
Resetting the Theory of Time
Physicist Lee Smolin explains his theory of time, and why the future of physics depends on it.
25:53
When Great Scientists Got It Wrong
In Brilliant Blunders, Mario Livio explores colossal errors by science’s greatest minds.
46:30
Exploring an Ever-Expanding Universe
Saul Perlmutter discusses his Nobel Prize-winning work measuring the accelerating expansion of the universe.
11:16
Scientists Try to Take Antimatter’s Measurements
How can you measure the mass of a particle of antimatter? Might it fall up?
4:17
Building Synthetic Tissues from Water Droplets?
Researchers turned tiny water droplets into cooperating networks that can change shape and pass electrical signals.