In plants, the ability to recognize self from nonself plays an important role in fertilization, because self-fertilization will result in less diverse offspring than fertilization with pollen from another individual.

But because this is oftentimes dangerous, and much hurt hath been received thereby through casualty of fire, I advise the sticking four stakes into the earth, at least five feet above the ground, and laying over them small overliers of wood and open flakes or hurdles […]

Stones splintered by fire, or faceted by sandstorms (ventifacts or dreikanters) are occasionally mistaken for the work of man.

Want to check out Waikiki East. I hear they got a fresh shipment of Wild Turkey.