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Babies start laughing before they can speak, and this delicious sound just may serve as a powerful source of human communication and connection, says psychology researcher Caspar Addyman.

与人争论气候变化问题固然诱人，但这场引人深思的对话表明，有时候这场争辩根本不值得浪费时间。气候专家薇姬·阿罗约与风险分析师丹·卡汉就此展开讨论，探索如何更有效地沟通气候议题。

TED science curator David Biello explores the odd couple behind the de-extinction movement — scientists and hunters — and what this says about our ambivalent attitude towards animals

If we did, we’d all be kinder and more compassionate, both to each other and to ourselves when our hearts get broken, says psychologist Guy Winch.

Author Ann Morgan invites book lovers to follow her on a literary journey through 196 countries.

Are you a soldier or a scout? Your answer to this question, says decision-making expert Julia Galef, might determine how clearly you see the world.

Shanghai native David Li shares some of his favorite spots in the city, including the hackerspace he runs. See Li’s Shanghai through eight photos by Lawrence Wang.

Think newspapers’ obituary sections are just about dying? Think again. They’re celebrations of humanity — with lessons for us all, according to data analyst Lux Narayan.

In his TED talk, “The kill decision shouldn’t belong to a robot,” Daniel Suarez described the rise of drones, automated weapons and AI-powered intelligence-gathering tools. Here, he goes further, laying out what he says is no less than a coming “automation revolution.”

Urbanist and architect Iñaki Romero Larrea wants to rebuild Spain from the ground up. See six of his favorite places in his home city of Madrid.