Explore Episode Segments
Lion’s Mane Mushrooms Improve Memory, Study Finds
Mice fed with the mushroom had better hippocampal memory—a result that may guide new treatments for dementia.
China Shoots ‘Jade Rabbit’ Rover to the Moon
BBC science editor David Shukman talks about the motivations behind China’s moonshot.
The Simpsons’ Secret? It’s Written by Math Geeks
The secret behind “The Simpsons”‘ math jokes? A writers’ room full of ex-mathematicians.
Would More Technology Mean Safer Trains?
Seventy thousand miles of track will need to be outfitted with “positive train control” technology by 2015.
Speech Science: Tongue Twisters and Valley Girls
Unraveling the speech patterns behind tongue twisters and Valley girls. . .and boys.
Dissecting America’s $3 Trillion Medical Bill
Steven Brill discusses “Bitter Pill,” his investigation of skyrocketing healthcare costs.