SUMMERS: Go on. Go on. CHANG: That's all I got, Juana. SUMMERS: Well, Ailsa, our next story is about a kind of cucumber that science reporter Ari Daniel says uses ballistics to spread its seeds.

My second favorite variety is English cucumber. They, too, have thin skin and relatively few, if any, seeds, but are much, much larger — often 8 to 12 inches long.