During the middle ages the invention of gunpowder had the unlikely result of providing a new way of preserving meat.
The typical American teenager eats about nine grams of salt per day. That's twice the recommended amount.
How come when you put salt on a melon, the melon seems sweeter? Then if you put more salt on, the melon turns salty?
Salt crystals are made of sodium and chlorine atoms linked together like Tinkertoys to form a three-dimensional framework.
Sodium chloride is a basic cooking ingredient. However, have you ever stopped and wondered what was in "iodized" salt?
If you have ever been outside on a hot day or gone for a long run you know that sweat is salty.
When is the best time to add salt to food? Before or after you cook it?
Some methods of preserving food are easy to understand, but did you know that sugar helps to preserve food by causing microbes to literally die of thirst?
You may have heard that too much salt is bad for you. Have you ever really understood why though? Learn more on this Moment of Science.
Some people depend on turning salty ocean water into fresh water, a process called desalination. Learn more on this Moment of Science.