Here’s what would really happen if you put a banana in a car’s tailpipe

The good news for would-be pranksters (and victims) is that shoving a banana or potato in a tailpipe is unlikely to cause ...
Health.com

Pulse Oximeter: Uses and When To Monitor at Home

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...