It’s based on an old myth that the heart comes with a fixed number of beats, often said to be about 2.5 billion, so every extra one you use brings you closer to running out. Thankfully, that’s pretty ...

Over time, you notice your blood sugar levels landing outside the 70 to 140 mg/dL range. This can be a clue to insulin ...

They do the same thing with planes. A [plane] has over 30,000 sensors to track everything it does, from taking off to landing ...

Groundbreaking new tests reveal patterns in our immune systems that can signal underlying disease and tell us how well we ...

Sleep scientists have a term for what’s happening: orthosomnia —trouble sleeping caused by the stress of trying too hard to ...

Learn what residual standard deviation is, how to calculate it in regression analysis, and why it's crucial for measuring predictability and goodness-of-fit in data modeling.

Real-time brain maps, smarter sensing and neuromodulation, and humane tech hint at a future we can sense—but not yet fully ...

The Python statistics module is a built-in module for performing simple statistical calculations. Since it's part of the standard Python library, it's available in every Python installation. To access ...

Heart rate variability is one of the main things your smartwatch or fitness tracker measures. Here's what it means.

If you want to boost longevity and increase exercise recovery, an Olympic recovery science expert tells us that there's a crucial metric you should track.

Cruise ship visitors walk past the Alaska Shirt Company in downtown Juneau on Thursday, Sept. 18, 2025. (Photo by Clarise Larson/KTOO) https://media.ktoo.org/wp ...