What Scientists Found Buried at Australia's Mungo Man Site Has Rewritten the Timeline

[00:00:00]On the 26th of February, 1974, an Australian National University geomorphologist named Jim Bowler was walking a familiar stretch of eroded sand dune in far western New South Wales when unusually heavy summer rain exposed something new in the ground. He had been there before.

[00:00:25]Six years earlier, on that same dune system, he had found the remains of a woman who would come to be called Mungo Lady.

[00:00:35]This time, he spotted a mandible protruding from the sand and realized the rest of her body was likely still buried beneath it.

[00:00:46]What he had found would double the confirmed length of human history on this continent. And the argument over exactly how old it really is has still not been completely settled 50 years later.

[00:01:00]Lost Australia covers the parts of this country that never got a tidy resolution.

[00:01:07]Subscribe now and let us know in the comments how far back you think Australia's human history actually goes.

[00:01:17]A lake that has not held water in 14,000 years.

[00:01:22]Lake Mungo sits roughly 760 km from Sydney in a region now so dry it can be difficult to picture as anything other than desert.

[00:01:36]It is one of 17 dry lakes making up the Willandra Lakes Region.

[00:01:41]A world heritage listed system that during the last glacial period was full, fed by rivers swollen with runoff from the eastern highlands, and teeming with fish, water birds, and the large animals that once shared this continent with the people living alongside them.

[00:02:04]The lake dried out for the last time around 14,000 years ago.

[00:02:10]And as the water receded, wind carved the exposed lake bed into crescent-shaped dunes archaeologists call lunettes.

[00:02:21]It is out of these dunes, slowly stripped back by decades of erosion, drought, and the introduction of grazing animals after European settlement, that Lake Mungo has been quietly releasing its buried history for over half a century.

[00:02:41]Mungo Lady, discovered in July 1968, had been cremated.

[00:02:47]Her burnt bones >> [music] >> subsequently crushed and burned a second time.

[00:02:53]A treatment researchers have suggested may reflect a ritual intended to ensure she did not return.

[00:03:00]It stood at the time as the oldest known evidence of human cremation anywhere on Earth.

[00:03:08]Mungo Man, found 6 years later, had been treated entirely differently.

[00:03:15]He was laid on his back, hands crossed at the groin, >> [music] >> his body sprinkled deliberately with red ochre carried in from a source many kilometers away, since none exist naturally at the site.

[00:03:30]It remains among the earliest known examples of a deliberate ceremonial human burial anywhere in the world.

[00:03:40]At the time of both discoveries, the accepted scientific position was that Aboriginal people had arrived in Australia no more more 20,000 years ago.

[00:03:52]Mungo Lady and Mungo Man did not fit that timeline.

[00:03:57]They broke it.

[00:04:00]The 50-year argument over how old What followed was one of the longest-running dating disputes in Australian science.

[00:04:11]Early radiocarbon results in the 1970s placed Mungo Lady between 19 and 26,000 years old.

[00:04:21]A test conducted in 1987 on Mungo Man's bones produced a different estimate, around 31,000 years.

[00:04:31]Then, in 1999, a further ANU team, combining three separate dating techniques, arrived at a figure that stunned the field, 62,000 years.

[00:04:45]That estimate proved deeply controversial, with other researchers arguing the surrounding sediment itself could not be older than roughly 43,000 years.

[00:04:58]Meaning, the remains within it could not be as old as the new estimate suggested.

[00:05:05]The dispute was not resolved until 2003, >> [music] >> when a collaborative team from three universities and the CSIRO, using four dating methods applied consistently across the site, converged on a figure of approximately 40,000 years for both individuals, with associated artifacts indicating human presence in the region as far back as 50,000 years.

[00:05:35]That study remains the most widely accepted dating today.

[00:05:40]Though widely accepted is worth being precise about.

[00:05:45]Individual results across five decades of research have ranged from under 20,000 years to over 60,000.

[00:05:56]And the 2003 consensus was built from combining methods, not a single measurement that erased every earlier disagreement.

[00:06:06]>> [music] >> What 50,000 years actually changes.

[00:06:11]Before Mungo, the oldest confirmed site of human occupation in Australia was a Queensland rock shelter dated to roughly 18,000 years.

[00:06:24]Mungo more than doubled that figure, repositioning Australia within the global story of human migration out of Africa, a subject scientists are still actively refining.

[00:06:39]It also carried a weight the scientific dating never fully captured.

[00:06:45]For the Paakantji, Muthi Muthi, and Ngiyampaa peoples, whose ancestral connection to this country the remains represent, the confirmation of occupation stretching back tens of thousands of years was, by their own account, not really news at all.

[00:07:07]As Muthi Muthi field worker Daryl Pappin has put it, to his people, they have been there forever.

[00:07:15]And the number attached by scientists was simply a timeline outsiders required to accept what his community had never questioned.

[00:07:26]Where the story stands today.

[00:07:29]Mungo Lady was returned to traditional owners in 1992.

[00:07:35]Mungo Man was formally repatriated in 2017, and both were reburied on country in May of 2022.

[00:07:45]Since 2003, new finds, including nearly 460 fossilized human footprints, uncovered in the Lakes old claypan, the largest such collection anywhere in the world, dated to roughly 20,000 years old, have continued to add detail to an already extraordinary record.

[00:08:10]Large sections of the 33-km Willandra lunette system remain only partially surveyed.

[00:08:19]What Bowler exposed with a single walk across wet sand in 1974 turned out to be the visible edge of something much larger.

[00:08:29]And after 50 years of dating disputes and new finds, nobody involved in that research would claim the ground has finished telling its story.