Welcome to The Riddler. Every week, I offer up a problem related to the things we hold dear around here — math, logic and probability. These problems, puzzles and riddles come from lots of top-notch ...

The diagnostic value of prostate specific antigen (PSA) for differentiating prostate cancer from benign prostatic conditions is limited by its lack of specificity. Numerous investigators have reported ...

Some 20 years ago, my colleague Dr. Chau Tran and I developed a way to simulate the trajectories of millions of basketballs on the computer. We went to the coaches and assistant coaches at North ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Ableton has released a new suite of free five step sequencers for Live called the Probability ...