Explore Episode Segments
Hotter Weather, Heavier Rains Threaten Penguins
Move over polar bears—could penguins be the new poster children for climate change?
Could There Be a Crisis in Physics?
Physicist Lawrence Krauss and Nobel Laureates Frank Wilczek and Brian Schmidt discuss current cosmic challenges.
At Sundance, Scientists and Screenwriters Are Judges
What makes science work on-screen? This year’s Sundance judges weigh in.
Alan Alda’s Challenge to Scientists: Define Color
Alda’s ‘Flame Challenge’ asks scientists to explain color—with children as the judges.