It really is true: fat hangs around a long time whether you want it to or not.
Okay, so we’re not talking about stubborn love handles and saddlebags, but researchers have confirmed that fatty tissues were still identifiable in the partial fossil of a 48-million-year-old bird. The new research hints that similar soft tissues might be found in fossils sitting in museum archives around the world.
Soft tissue preservation in fossils is rare but not unheard of. Earlier this year, researcher