Richard Feynman wasn't the first to suggest negative probabilities. That recognition goes to Paul Dirac, who introduced them and negative energies at the same time---because he thought these things explained…

Is Trump a Russian Asset? (This question accounts for the change in banner image this week.) What happens to belief when people learn new evidence about this curious proposition? Theory…

Now that a Health Insurance guy has been whacked, it's time to review. Here is an expanded version of a thread I did on Twitter---which is all a repeat of…

There is an idea taking shape, vague but gaining strength, that good things are coming to Science. Science, I say, not academia. Only a cleansing fire will save academia. One…

Today the math, which you don't strictly need if you can't calculate, behind how to think about Research Shows headlines and papers. This will be an invaluable exercise. You must…

Since we'll soon be discussing cause in the Class, and nowhere is cause as difficult as it is in quantum mechanics, and because somebody recently reminded me of Scott Locklin's…

Suppose you're an Expert, or even an ordinary person, and you say, "If the world is like X, then Y will happen". Or you say or imply, "If the world…