In this video, I demonstrate how to make an oxygen generator using manganese dioxide (MnO2) and hydrogen peroxide (H2O2) ...

Test your broadband connection speed. Our speedtest works on the vast majority of web browsers and devices, including computers, tablets, phones and games consoles. If you are experiencing ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Jay N. Yepuri, MD, ...

Julia is the associate news editor for Health, where she edits and publishes news articles on trending health and wellness topics. Her work has been featured in The Heights, an independent student ...

Many home pregnancy tests claim to be 99% accurate if used on the day of the expected period. Testing too early can give a false negative because there might not be enough HCG for the test to detect.

An ANA blood test is used to find antinuclear antibodies that can be linked to autoimmune diseases. The test shows a positive result if fluorescent cells are observed under a microscope. A positive ...