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The original was posted on /r/todayilearned by /u/canon2468 on 2023-08-13 04:05:51+00:00.

Original Title: TIL First grown in Africa about 5,000 years ago, yellow watermelons went through generations of selective cross-breeding for texture, color and sweetness before any pink variety ever appeared. As the lycopene content of hybrid varieties increased over time, the fruit naturally became redder and redd