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.

It’s farmers’ market season! If you’re like me, you just can’t resist all that beautiful local produce. And then you bring home way more than you can reasonably consume before it goes bad. Thankfully, ...

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 ...