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
Making sense of the sun
The sun rises and sets every day of our lives, but it still holds many mysteries. This hour, TED speakers share the latest in probing, replicating, and harnessing the power of our massive star. Guests include astrophysicist Nour Rawafi, fusion physicist Tammy Ma, renewable energy ...Show more
What we—and AI—can learn from nature's intelligence
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
A guide to being brave in relationships
From sustaining a marriage to making new friends, forming connections requires courage. This hour, TED speakers guide us through being brave during the most difficult moments in relationships. Guests include writer and podcaster Kelly Corrigan, journalist Allison Gilbert and clin ...Show more
The mysteries that lie beneath
From our planet's underwater caves to its ancient soils, there are entire worlds right beneath our feet. This hour, we explore the subterranean forces that shape our lives above the ground. Guests include cave diver Jill Heinerth, death care advocate Katrina Spade, soil scientist ...Show more