Fentanyl is a synthetic opioid that’s 50-100 times stronger than the pain reliever morphine. While some people use fentanyl on purpose, many others get it in their systems without their knowledge.

There are many ways to gauge how strong and healthy you are. Here are some of our favorites. Credit...Clockwise from top left: Sarah Karlan, Ashley Barker, Gritchelle Fallesgon, and Adria Malcolm for ...

Don't throw out your expired COVID tests just yet. Here's how to find out if the expiration date has been extended. Katie covered all things how-to at CNET, with a focus on Social Security and notable ...

These days, you can order up a test to find out your biological age, an estimate of how quickly or slowly you're aging compared to your peers. It's based on an analysis of modifications in your DNA. I ...

The past decade has seen a raft of efforts to encourage robust, credible research. Some focus on changing incentives, for example by modifying promotion and publication criteria to favour open science ...

Sujatha Raman receives funding from two research projects: the CSIRO-ANU joint-funded research collaboration in responsible innovation and from the Wellcome Trust-CSIRO project 'Talking about gene ...