Cool air made Great Molasses Flood extra deadly, Harvard researchers say

Associated Press reports Harvard scientists who study fluid dynamics turned their eye to the Great Molasses Flood and, after studying how molasses flows at different temperatures, concluded that the relatively warm molasses that flowed out of that North End tank quickly cooled in the relatively chill Boston air (the disaster happened during one of our January thaws), going from liquidy to gooey and trapping people and horses.

Earlier:
Also: Molasses is a non-Newtonian fluid.
Up to their knees in molasses, looking for victims.