Smart rings are the wearable everyone’s switching to, and we’ve tested the lot to find the best smart rings actually worth wearing.

Learn how to create burndown charts to track project progress, improve team performance, and download free templates to get ...

In this video, you’ll learn how to make a dropdown list in Excel quickly and easily using built-in tools. We walk through the steps to create clean, user-friendly dropdowns that help reduce errors and ...

A long-awaited study commissioned by the FDA has muddied the path forward on how to reduce racial bias in pulse oximeter ...

Researchers have discovered they can consistently measure reptiles' pulse rate in an easy-to-reach spot on the back of the head, and that pulse rate corresponds to the heart rate in healthy reptiles.

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

These days, it may seem like there’s a million different data points that you’re supposed to keep track of—hello, steps, sleep, and recovery scores!—and it’s difficult to know which ones are worth ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and ...

The widely-accepted optimal cadence number is 180 spm, however research reveals that even some of the best pro runners vary from that number. Ng says that for many runners, a cadence of at least 160 ...

Learn to calculate the Sharpe Ratio in Excel for insightful investment analysis. Our guide will help you assess risk versus ...