Add Yahoo as a preferred source to see more of our stories on Google. We use strawberry jam as an example to explore the underlying principles of water activity, a key technique for food preservation.

Jam can be made with many different types of fruit. Not to be confused with jelly, jam tastes delicious on breakfast pastries like croissants, muffins and scones, but it is also a delicious addition ...

Summer might be over, but that doesn't mean we can't still jam. As we welcome fall with open arms and a closet full of chunky sweaters, we also get to usher in the opportunity to smear apple jelly on ...