When it comes to ensuring safe cooking temperatures for foods this summer, “you need the right tool for the job,” says Stacy Reed, an educator with Penn State Extension in Lancaster specializing in ...

Have you ever placed a thermometer under your tongue and wondered how that tiny device knows if you have a fever? Or checked the weather and thought about how scientists measure temperature so ...

Quantifying natural phenomena was all the rage among early 17th century scientists. As they grappled with measuring heat and cold, several came up with the thermoscope. This thin-necked flask was ...