TED Talks Daily Folgen

From microscopic "smart dust" tracking devices to DNA-tracing tech and advanced facial recognition software, journalist Sharon Weinberger leads a hair-raising tour through the global, unregulated bazaar of privatized mass surveillance. To reign in this growing, multibillion-dollar marketplace that often caters to customers with nefarious intents, Weinberger believes the first step is for governments to classify surveillance tools as dangerous and powerful weapons.Learn more about our flagship conference happening this April at attend.ted.com/podcast Hosted on Acast. See acast.com/privacy for more information.

Yvonne Aki-Sawyerr, mayor of Freetown, Sierra Leone, is on a mission to plant a million trees over the next two years, increasing vegetation in her city by fifty percent while shoring up eroding riverbanks and increasing biodiversity. "This isn't just about planting trees; it's about growing trees, and it's about ensuring that each one of us is part of the process," she says. "A million trees is our city's small contribution to increasing the much-needed global carbon sink."Learn more about our flagship conference happening this April at attend.ted.com/podcast Hosted on Acast. See acast.com/privacy for more information.

With fascinating research and hilarious anecdotes, neuroscientist Camilla Arndal Andersen takes us into the lab where she studies people's sense of taste via brain scans. She reveals surprising insights about the way our brains subconsciously experience food -- and shows how this data could help us eat healthier without sacrificing taste.Learn more about our flagship conference happening this April at attend.ted.com/podcast Hosted on Acast. See acast.com/privacy for more information.