Pleisteisan 6 🆓 ⏰

MIS 6 is a cautionary tale. It shows us what "full glacial" Earth looks like—a planet 6°C colder than pre-industrial times. More importantly, the study of MIS 6 ice sheets helps us model how quickly ice can melt. The rapid collapse at the end of MIS 6 suggests that today’s Greenland and Antarctic ice sheets may be more unstable than previously thought.

One of the most tragic elements of the Pleisteisan narrative is the suddenness of its end. The archaeological record indicates that Level 6 was abandoned abruptly. There is evidence of a great fire, but no signs of warfare or invasion. pleisteisan 6

You might ask: Why write 1,500 words about a string of characters that doesn’t officially exist? The answer lies in the philosophy of information science. MIS 6 is a cautionary tale

In the context of , the -san most likely functions as a nominalizer —turning the adjectival "greatest" ( pleistei ) into a noun denoting a class or category. The rapid collapse at the end of MIS