Guest Thinkers — February 16, 2011

Slide – Focus on the critical few

Scott McLeod

A weekly newsletter featuring the biggest ideas from the smartest people

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A weekly newsletter featuring the biggest ideas from the smartest people

Charles bridge in prague, czech republic.

Neuropsych

An untold story of LSD psychotherapy in communist Czechoslovakia

Uncovering the story of Milan Hausner, the Sadská clinic, and LSD psychotherapy behind the Iron Curtain.

Aphantasia limits the ability to visualize a statue of a man in the mind's eye.

Neuropsych

My brain doesn’t picture things. What’s wrong with me?

I also can’t conjure sounds, smells, or any other kind of sensory stimulation inside my head. This is called “aphantasia.”

The head of a man and a woman are shown side by side in a research study focused on ketamine and depression.

Neuropsych

A vaccine for depression

Ketamine’s remarkable effect bolsters a new theory of mental illness.

Business

AI strategy: Should my business choose “open source” or “closed source”?

Kent Keirsey, CEO of Invoke AI — an open-source creative engine — outlines the pros and cons of open-source and closed-source AI tools.

a visualization showing the view from inside the inner event horizon of a Kerr black hole

Starts With A Bang

“Singularities don’t exist,” claims black hole pioneer Roy Kerr

The brilliant mind who discovered the spacetime solution for rotating black holes claims singularities don’t physically exist. Is he right?

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