Have you ever been curious about why the number e is so popular in math? Euler’s number, which is an infinitely long decimal, close to 2.71828, pops up naturally in a surprisingly broad range of ...

Rubbing an E-number found in the orange food dye used in Doritos, the tortilla snack, can turn the skin invisible, scientists have found. A chemical called tartrazine, also known as FD&C Yellow #5 and ...

There’s a number hidden somewhere on basically every electric bicycle – or pedal bicycle – including the one in your garage. If you haven’t found it yet, you should do it today. Here’s why. That ...