Third-grade teacher Annie Long grappled with a new problem when her students reviewed the online practice test to prepare for the Common Core-aligned assessments they will be taking in a few weeks.

If you have diabetes or prediabetes, regularly monitoring your A1C blood sugar level is important for managing your condition and maintaining optimum health. A1C monitoring can also be used to ...

Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...

Viral TikTok videos showing teenagers hacking rapid COVID-19 tests by inserting sodas and other acidic solutions into the tests’ inlet caused quite a stir in 2021, especially in the UK, where these ...

A false negative on a pregnancy test means the test says you're not pregnant when you actually are. Here's how it could ...