Richard 'Bert' Roberts

Micro-drilling sediment blocks to extract powder for genetic analysis.

Digging deep: DNA molecules in ancient dirt offer a treasure trove of clues to our past

Genetic analysis of intact blocks of sediment from archaeological sites reveals that microscopic fragments of fossil bone and faeces are the main sources of ancient DNA.
Collection of sediment DNA samples in the Main Chamber of Denisova Cave. Bert Roberts

Dirty secrets: sediment DNA reveals a 300,000‑year timeline of ancient and modern humans living in Siberia

Our research has also uncovered major long-term changes in ancient animal populations at Denisova Cave, and has provided the first direct evidence of Homo sapiens having lived there.
Neanderthal hunting grounds in southern Siberia — the Charysh River valley, with Chagyrskaya Cave in the centre of the photo. Institute of Archaeology and Ethnography of the Siberian Branch of the Russian Academy of Sciences

Stone tools reveal epic trek of nomadic Neanderthals

Neanderthals living in a cave in southern Siberia made distinctive stone tools that can be traced to their ancestral homeland in eastern Europe — an intercontinental journey of more than 3,000 km.
Richard ‘Bert’ Roberts, Vladimir Uliyanov and Maxim Kozlikin (clockwise from top) examining sediments in the East Chamber of Denisova Cave. Institute of Archaeology and Ethnography of the Siberian Branch of the Russian Academy of Sciences, Author provided

Fresh clues to the life and times of the Denisovans, a little‑known ancient group of humans

New studies reveal when the Denisovans and their Neanderthal cousins occupied a cave in southern Siberia. It’s the only site known to have been inhabited by them and by modern humans.
Australia’s deep history was uncovered at Lake Mungo.

Fifty years ago, at Lake Mungo, the true scale of Aboriginal Australians’ epic story was revealed

On the golden jubilee of the discovery of Mungo Lady’s 40,000-year-old remains, we can reflect on Aboriginal Australia’s vast history, which predates the arrival of Homo sapiens in both Europe and America.
In July 2017, new research was published that pushed the opening chapters of Australian history back to 65,000 years ago. Marcella Cheng/The Conversation

Essays On Air: When did Australia’s human history begin?

When did Australia’s human history begin? The Conversation, CC BY16.6 MB (download)
Today's episode of Essays On Air, the audio version of our Friday essay series, seeks to move beyond the view of ancient Australia as a timeless and traditional foundation story.
Fossilised ancient human footprints at the Mungo National Park. How are we to engage with a history that spans 65,000 years? Michael Amendolia/AAP

Friday essay: when did Australia’s human history begin?

Over the past half century, Australia has experienced a ‘time revolution’ with Indigenous history pushed back into the dizzying expanse of deep time. The latest discovery reminds us that science, like history, is an ongoing inquiry.
Thomas Sutikna holds the skull of LB1, the type specimen of the ‘Hobbit’, Homo floresiensis. Indonesian National Centre for Archaeology (ARKENAS)/University of Wollongong

A decade on and the Hobbit still holds secrets

Ten years ago today in Australia and Indonesia the scientific world was turned on its head. By a very small head, as it happens. We were part of the original joint Australian-Indonesian research team involved…
“There remains no consensus at the present time on the climatic or ecological impacts of Toba.” Victor Hazeldine/EPA

Armageddon and its aftermath: dating the Toba super‑eruption

No-one alive today has witnessed a volcanic eruption remotely as big as the Toba “super” eruption. But our ancestors may have done, tens of thousands of years ago, when northern Sumatra exploded, creating…

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