Scientists characterize soybean alien addition lines and phenotypic variation from intersubgeneric crosses

A 2025 study estimated that Titan’s hypothetical 480-kilometre-deep ocean might contain only a few kilograms of microbial carbon if life survives by fermenting surface-delivered glycine—less than one cell per kilogram of water. The search may therefore hinge not only on whether life is there, but whether any mission could ever detect something so sparse.