"Why do we sleep?" by Greg Alder

Why do we sleep?


A short while back, I asked this question on Quora. It’s a very simple question. Like a lot of simple questions, the answer is not so simple. There are a number of wonderful answers to my question, written by neuroscientists,…

"The road not taken" by Greg Alder

The road not taken


Do you know this Robert Frost poem from 1915? Here are the messages I get from it: The first message I get is one of independence, a literal message about taking the road less travelled, doing things your own way,…