Here's how it works: Float a clean strand of hair in a glass of water. If it sinks to the bottom, you have high-porosity hair ...

Here's today's Strands answers and hints. These clues will help you solve The New York Times' popular puzzle game, Strands, every day.

One of the worst feelings that can pop up in the middle of a run or race is a twinge of knee pain. And it’s a pretty common occurrence for runners: The knee is the most common area of injury for us ...