It is possible that these fractures, in the wake of the impact, were filled with hot fluids. (sciencemag.org)
Keeping the jars warm prevents them from breaking when you fill them with hot fluids. (jerryjamesstone.com)
Those genes might show that peak ring microbes — descendants of those that lived after the impact — derive their energy not from carbon and oxygen, like most microbes, but from iron or sulfur deposited by hot fluids percolating through the fractured rock. (sciencemag.org)