When you slice an onion, you break open a number of onion cells. Certain enzymes from the cells then decompose the amino acid sulfoxide, which forms sulfenic acid, which then quickly changes into a volatile gas. When this gas combines with the water in your eyes it produces a mild sulfuric acid. The acid irritates the eyes making them tear.

The coconut is the largest seed in the world.

Globally, bananas rank fourth after rice, wheat and corn in human consumption; they are grown in 130 countries worldwide, more than for any other fruit crop.

Kale, collard greens, cabbage, brussel sprouts, kohlrabi, broccoli, and cauliflower are all different varieties of the same plant species.

The name dandelion is derived from the Old French, dent-de-lion, which is literally "lion's tooth", referring to the sharply-lobed leaves of the plant. In modern French the plant is called pissenlit, which means "urinate in bed", apparently referring to its diuretic properties. Likewise, "pissabeds" is an English folkname for this plant, and "piscialletto" is one of its folknames in Italian (with "dente di leone", meaning "lion's tooth").