Listen Again: 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

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

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

Sound is everywhere around us: from blockbuster Hollywood films to live music events, from broadcasting the news to speaking with astronauts in space. For every broadcast, big or small, there are engineers and sound designers working behind the scenes to make sure you get the ...