Can the sleeping brain create unique people that the waking brain has never seen before?

Can the sleeping brain create unique people that the waking brain has never seen before?

Reader Ella asks: “I read a theory that while dreaming, the brain cannot invent new people out of nowhere. Instead, the brain shows people we've seen while awake, or combines a mix of previously-seen physical features to create a "new" person. How would you prove/disprove this theory? Why does the brain do this?”

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How the brain helps songbirds work together

How the brain helps songbirds work together

Humans often work together to accomplish complex tasks, including language learning, or singing harmonies. How does the brain support that kind of complex, coordinated group behavior? A species of duetting birds offers some clues - and suggests your brain may have a bigger backstage role than you might think.

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A tribute to Ben Barres

A tribute to Ben Barres

It was the day of my defense, and as I prepared to give the biggest talk of my life thus far, I looked out into the audience, and saw Ben Barres walk into the room. Normally, this would have been a totally unremarkable event. Ben was one of the members on my committee. Except these circumstances were not normal. Ben was diagnosed with terminal cancer just over a year earlier.

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Remembering a champion for justice in academia and emulating his approach

Remembering a champion for justice in academia and emulating his approach

We offer a tribute to Dr. Ben Barres, whose groundbreaking science and refusal to remain silent in the face of injustice served as an inspiration to many. This piece and its companion piece by David Lipton are the final installments in our series about inequality in STEM.

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