Why are lemons sour? Delve into the genetic explanations behind the tartness of lemons and their production of citric acid.

“You really can’t skimp on a good sour – if you’re going to make it sour, make it face-meltingly sour. If you’re going to add ...

A new study has unveiled the genetic mechanism controlling citric acid content in jujube fruit, identifying a natural ...

Truth be told, I didn’t really want the job anyway.” Now, Tracy might well be sincere in what she’s saying, but there’s also a chance she might be experiencing "sour grapes." Outcomes come ...