In a
series of papers, Firestone and his colleagues claimed various kinds of evidence for the hypothesis, including deposits of the element iridium (rare on Earth but abundant in meteorites), microscopic
diamonds (called nanodiamonds), and magnetic particles in deposits at sites supposedly dated to
about 12,800 years ago.
In Lansdale's contemporary crime thriller (the latest in his Hap & Leonard
series)
about two East Texas «brothers from another mother» who earn money where they can — from chicken sexing to private investigating and more — the first person narrative is at once down home and sharp as a
diamond tipped glass cutter.