When it comes to Fahrenheit vs. Celsius, the world is in agreement—mostly. Here's why the United States is still stuck on Fahrenheit.

Not only are Celsius and Fahrenheit degrees different sizes (each Celsius degree covers more of the scale) they have different baselines. Fortunately, there are easier ways to convert temperatures ...

But last year, every month from April through December saw their highest-ever levels, with the peak for the year being 21.02 degrees Celsius, or just under 70 degrees Fahrenheit, on Aug. 23 and 24.