Tasmanian scientists have found living stromatolites (oldest known life form) in the Giblin River catchment of the UNESCO-listed Tasmanian Wilderness World Heritage Area, Australia. Giblin River stromatolites. Image credit: Proemse et al, doi: 10.1038/s41598-017-15507-1. The team made the discovery during a survey of peat-bound karstic wetlands, an unusual type of swamp which occurs only in peaty soils underlain by limestone and similar carbonate...
