The mind of the polyglot is a very particular thing, and scientists are only beginning to look closely at how acquiring a second language influences learning, behavior and the very structure of the brain itself.

We are all born with an innate understanding of interpersonal equity - the idea that if you lend me your rake today, I'll respond in kind when you come to borrow my shovel tomorrow. Or nearly all of us are born with that. Psychopaths aren't.

There are a lot of obstacles in the way of our understanding animal intelligence - not the least being that we can't even agree whether nonhuman species are conscious. We accept that chimps and dolphins experience awareness; we like to think dogs and cats do. But what about mice and newts? What about a fly? Is anything going on there at all?

Learning to speak was the most remarkable thing you ever did.

Becoming an effective security professional requires more than knowing how to deploy and configure technology. It requires combining security theory with practical, hands-on experience.

I'm not such a fan of the concept of social media, though I don't have anything against it. I still love to call the people I want to be friends with.

Performing with a hologram in a three-dimensional world feels somewhat strange. But you know, the experience of playing live in a room full of people is most exciting, it's something that the social media has not been able to recreate. There's some kind of intensity about it, something that the social media doesn't capture.

Closed environments dominated the computing world of the 1970s and early '80s. An operating system written for a Hewlett-Packard computer ran only on H.P. computers; I.B.M. controlled its software from chips up to the user interfaces.