Kaitlin Sullivan is a health and science journalist based in Colorado. She's been part of multiple award-winning investigations into health topics including the international medical device industry ...

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.

The Centers for Disease Control and Prevention (CDC) has paused its diagnostic testing for a host of infectious diseases, including rabies. The CDC on Monday posted a list of 27 tests that it either ...

The federal government’s disease-tracking agency has paused its diagnostic testing for rabies, monkeypox and a number of other infectious diseases. The Centers for Disease Control and Prevention this ...

The diseases were removed from a list of tests the agency conducts for state and local health departments. Experts worry that with drastic staff reductions, the testing may not resume. By Apoorva ...

Although usually nylon (generally PA6) filament is pretty cheap, there are some more exotic variants out there, such as the PA12-based Lyten 3D graphene filament that comes in at a cool $150 for a 1 ...

A social media post from the US Food and Drug Administration this week shows a big-eyed macaque staring out from behind bars. “Some drugs use 144 monkeys on average for preclinical testing,” the post ...

There's a lot to like about the 2026 Toyota 4Runner Limited we just tested, other than maybe the at-the-limit performance of its 2.4-liter i-Force turbocharged engine and transmission combo. But aside ...

The 2026 Toyota RAV4 GR Sport is like nothing on the market today, although we’re still not sure if that’s a good thing. Here’s a flashy plug-in hybrid that stops traffic, demolishes the competition ...

iOS 26.4 beta 2 is now rolling out for developers, and it expands support for testing encrypted RCS messaging on iPhone. When iOS 26.4 beta 1 was released last week, it added early support for testing ...

Google and Apple today announced that testing of encrypted RCS messaging between Android and iPhone is now underway. Part of the RCS Universal Profile from the GSMA, messages between Android and iOS ...