As apple trees mature, their growth slows—but the biological cues driving this shift have remained elusive. A new study uncovers the role of sorbitol, a sugar alcohol, in signaling this age-dependent ...

If you plant a seed from a Gala apple, the chances are one in a hundred (or less) that the fruit produced from the tree that grows will be sweet. As Henry David Thoreau remarked, such seedling-grown ...