There are great black holes in my pantry where last season’s bounty of shimmering preserves, tasty relishes and succulent jams once stood. My secret cache of peerless red raspberry jam – the perfect ...

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, ...