Sound And Silence

Original broadcast date: November 12, 2021. We hear calls for systemic change, but what does that look like? This hour, TED speakers share stories of taking on institutions — from schools, to medicine, to policing — so they work for everyone. Guests include economist Emily Oster, ...  Show more

Artificial intelligence is powerful, but what about natural intelligence? This hour, TED speakers explore the intrinsic genius in animal language, insect behavior, plant anatomy and our immune system. Guests include neuroscientist Greg Gage, computational neuroscientist Frances C ...  Show more

Humans are noisy. The National Park Service estimates that all of our whirring, grinding, and revving machines are doubling or even tripling global noise pollution every 30 years. A lot of that noise is negatively affecting wildlife and human health. Maybe that’s why we’re so con ...  Show more

We're surrounded by noise. That "noise" can be actual sounds - but also other annoyances and distractions that make it hard for us to concentrate or think clearly. And it's only getting worse - we're all being bombarded with more sirens, more pings, more chatter, more information ...  Show more

These days we see a lot of negative stories related to screen time – how we’re addicted to our phones and social media is damaging our mental health. But is our panic about screens justified? Pete Etchells, professor of psychology and science communication at Bath Spa University, ...  Show more

Acoustic ecologist Gordon Hempton collects sounds from around the world. He’s recorded inside Sitka spruce logs in the Pacific Northwest, thunder in the Kalahari Desert, and dawn breaking across six continents. An attentive listener, he says silence is an endangered species on th ...  Show more