A heat sensor for living cells could offer new views of cell metabolism, rapid antibiotic testing

When living cells grow, divide or respond to drugs, they give off tiny amounts of heat that offer information about what the ...
Equipment World

With AA Batteries, NASA Makes Fire Dozers Safer With Low-Cost, Simple Sensors

NASA's new thermal sensor to make bulldozers operated by firefighters safer near flames consists only of stuff you can buy at ...
Healthline

The Best At-Home STD Test: We Tried 7 for 2026

The best at-home STD tests offer fast and accurate results, use CLIA-certified labs, and accept HSA/FSA. Most modern STD tests are highly accurate, and when conducted correctly, at-home tests estimate ...
TechRepublic

The 6 Best Free Speed Test Apps to Check Internet Performance

Test your internet speed with the best free apps for 2026. Compare top options for Wi-Fi, mobile data, latency, test history, and troubleshooting. A fast internet plan does not always guarantee a ...