For example, while 32 degrees Fahrenheit = 0 degrees Celsius, 35 degrees Fahrenheit = 1.6 degrees Celsius, which would likely be rounded up to 2°C to avoid having to use decimals.

A heat wave is underway across parts of the country, but some states had their hottest day on record decades ago.

Throughout history, countries around the world have had to pick a side in the Fahrenheit vs. Celsius debate. Other than the U.S., there are a few nations that hold on to the Fahrenheit system.

You can blame two of history’s all-time greatest villains: British colonialism and Congress. Fahrenheit was a great temperature system 300 years ago. Back in the early 18th century, ...