Easier than a blood test, saliva tests have the potential to detect cavities, infections and even cancer. But a lack of insurance coverage and other obstacles stand in the way of wider use.

To portray the exam shown in Episode 7 accurately, the show's writers and actors consulted with experts from the UCLA Health Rape Treatment Center and Pittsburgh Action Against Rape.

As water quality issues dominated headlines and nitrate levels spiked in central Iowa rivers last summer, the Izaak Walton League of America is reporting a record number of Iowans requested water ...

The results: IWLA collected more than 4,000 readings from Iowa in 2025, including its citizen nitrate watch program, trained volunteer submissions and regular tests from agencies like Polk County ...

Convicted pedophile Jeffrey Epstein had the curious habit of buying up DNA test kits for his rich, famous and powerful friends, emails released by the Justice Department Friday show. On Sept. 21, 2016 ...

GRAND RAPIDS, Mich. (WOOD) — Health departments across West Michigan are giving out free radon test kits this month. “We’re so thankful for January being Radon Action Month so that we can take this ...

The Oklahoma Department of Environmental Quality is offering free radon test kits starting today in recognition of National Radon Action Month. The agency is partnering with the U.S. Environmental ...

Water quality in United Kingdom rivers is an issue of increasing public and political concern, yet statutory water quality monitoring programmes are resource limited. Whilst citizen scientists can ...

A nitrate test strip gets ready for a dip in a pond off the Iowa River. — Emma McClatchey/Little Village I wasn’t great at science in high school. Following a set of basic lab protocols was somehow ...