A: A random forest is a machine-learning method that makes predictions by combining the decisions of many simpler models called decision trees. A decision tree works like a tree from bottom-up. At ...

Scroll down for a transcription of this episode. What happens when imagination meets perception, and ordinary objects come alive? We explore the science of pareidolia. Summary: Our minds are wired to ...

These policies let you invest your cash value directly in mutual fund-like accounts, but they also carry risks if the investments lose money Written By Written by Insurance Staff Writer, WSJ | Buy ...

It’s summer and a telltale drop of sweat tickles down your back. Next thing you know, sweat is coursing off you in rivers, and your shirt is soaked. Now a new study, which essentially turned six ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Very little in this life is truly random. A coin flip is influenced ...

If your name gets picked for jury duty, it’s because a computer used a random number generator to select it. The same goes for tax audits or when you opt for a quick pick lottery ticket. But how can ...

Imagine sitting in a meeting where someone is giving a presentation. You’re somewhat interested in the topic, and the speaker seems to be doing a good job. The meeting ends, and 30 minutes later, you ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Sometimes, when an animal comes in contact with a predator, its last ...