Peanuts are legumes, not nuts

Stickers on fruit are edible

Cucumbers are 96% water

Ketchup was originally a Chinese condiment first mentioned in print in 1690.  It contained pickled fish and spices.  The tomato-based variety did not become popular until the 19th century

Carrots were purple before the 17th century.  Orange carrots began as a mutant strain of carrot created by Dutch growers in the 16th century

Bird’s nest soup, a popular delicacy in Asia, is made from the nest of the swiftlet bird.  The gummy strands of the bird’s saliva which form the nest create a desirable (to some) gelatinous texture when added to the broth