Ralph Nader On 55 Years Of Car Safety, Spinal...

The sound of a choir performing in a cathedral is iconic for a reason. It’s this beautiful human experience: being side-by-side with other people, feeling the sound vibrate through you, reverberating around the space.But how long has that been a part of our culture? And what role ...  Show more

As the planet warms, the world’s glaciers are melting faster than snow can replenish the ice. That has implications for sea level rise, ocean currents, and global weather patterns. But collecting data at the edge of a melting glacier can be risky.Glaciologist Erin Pettit and her ...  Show more

Episode 300 The first genetically engineered synapses have been implanted in a mammal’s brain. Chemical brain signals have been bypassed in the brains of mice and replaced with electrical signals, changing their behaviour in incredible ways. Not only did they become more sociable ...  Show more

In the US we are nearing four million road deaths since we began counting them in 1899. The numbers are getting worse in recent years, yet we continue to accept these deaths as part of doing business. There has been no examination of why we engineer roads that are literally killi ...  Show more

Nasa's OSIRIS-REx mission to collect a sample from an asteroid has been a great success. Asteroid Bennu's sample yields a watery pool of history, thanks to an international team of scientists including the London Natural History Museum's Sarah Russell. Also, in a week of tumultuo ...  Show more

Science doesn’t always get it right the first time—and that’s part of the journey. In this anniversary episode, we explore how ideas about nerve damage, sustainable materials and alien life have done a full 180. Recommended Reading Celebrating 180 Years of Scientific American 180 ...  Show more