Soda-loving history buffs likely know that back in the 1980s, Coca-Cola swapped out real cane sugar for corn syrup in the ...

Today, bottles of Coca-Cola that are kosher for Passover have yellow caps instead of the traditional red ones. In addition to the yellow cap, the bottle has a Passover certification symbol.

While a glass bottle of the beloved soda typically leads one to believe it's Mexican Coke — the superior version of the cola — a yellow cap means that the drink is made solely from ingredients ...