You'll be surprised at how many fast food restaurants use the same brand of ketchup. But despite this, there is some variety.

Some say tomato, some say to-mah-to, but does anyone still say catsup anymore? Here's the saucy history behind this term, to go with your next order of fries.

Ketchup was called kêtsiap ... More from Retail A triangle pointing right which indicates this type of media can be played. Maine traps $1 billion of lobster a year. But is that at risk?

The observational study referenced earlier - which showed a high intake of lycopene reduced the risk of prostate cancer by 21 ...

An curved arrow pointing right. An American restaurant, Plan Check, has developed a type of ketchup that it says is the solution for soggy burgers. Ketchup Leather is ketchup in dehydrated form.

This story appears in the February 2019 issue of National Geographic magazine. Ketchup—that cheerful red sauce sold in handy glass bottles—first came on the American market in the 19th century.