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Google, Facebook, Amazon and others make their profits in two main ways: by collecting as much data as possible from us and by controlling what we pay for, says online security expert Bruce Schneier. And what does this all depend on? A vulnerable internet.

Here are the books that profoundly influenced women from our speaker community, and they’re just as wonderfully diverse as TED itself.

Architecture expos are often futurist fantasias of design — but this year’s Venice Architecture Biennale imagines how humanity’s first art can house (and treat) us all better.

Self-described introvert and veteran tech executive Karen Wickre shares her secret to cultivating professional connections with a minimum of anxiety and awkwardness. 

Why do humans often want to create a world of “us” vs. “them”? And what can we do about this unhelpful, often damaging, yet somehow reassuring instinct? Psychologist Robert Waldinger has some useful advice.

We’re living in stressful times. Here’s how to keep fear — especially the fear that others are feeling — from taking over your life, from psychologist Susan David.

There really is a flag design rule book, and radio host Roman Mars abides by its principles religiously. Well, perhaps not all the time. Some flags are apparently too excellent to obey the rules …

Kio Stark has always talked to strangers, believing it provides new ways to fall in love with the world. She shares 5 ways to spark a meaningful interaction with someone you’ve never met before.

How can humans survive if the world gets drier? Here’s one scientist’s answer … so-called “resurrection” crops.

Humans are off to live on Mars. At least, that’s the case journalist Stephen Petranek makes in his TED Book, “How We’ll Live on Mars.” According to Petranek, the move is no less than an “essential back-up plan for humanity.” Here, he shares just some of the factors those who make the first trip will have to manage.