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"This discovery represents an important benchmark in the evolution of complex human cognition (mental processes) in that it shows that humans had the conceptual ability to source, combine and store substances that were then possibly used to enhance their social practices," explains Henshilwood.

An ochre-rich mixture, possibly used for decoration, painting and skin protection 100,000 years ago, and stored in two abalone shells, was discovered at Blombos Cave in Cape Town, South Africa. Chris Henshilwood, University of the Witwatersrand, Johannesburg "We believe that the manufacturing process involved the rubbing of pieces of ochre on quartzite slabs to produce a fine red powder.

An ochre-rich mixture, possibly used for decoration, painting and skin protection 100,000 years ago, and stored in two abalone shells, was discovered at Blombos Cave in Cape Town, South Africa. Christopher Henshilwood, University of the Witwatersrand, Johannesburg "Ochre may have been applied with symbolic intent as decoration on bodies and clothing during the Middle Stone Age," says Professor Christopher Henshilwood from the Institute for Human Evolution at the University of the Witwatersrand, Johannesburg, who together with his international team discovered a processing workshop in 2008 where a liquefied ochre-rich mixture was produced.

The findings will be published in the journal Science tomorrow.

Information Meeting on the Occasion of the 15th Anniversary of the 2001 Convention on the Protection of the Underwater Cultural Heritage, UNESCO Headquarters, Paris, France, 9th May 2016.

Geoff Bailey: , organised by Hayley Mc Parland, Robyn Inglis, Francesco Carrer and Carla Lanceotti at the 21st annual meeting of the European Association of Archaeologists. Garry Momber: , organised by Richard Bates, Geoff Bailey, Caroline Wickham-Jones, Vince Gaffney, Birgitte Skar and Garry Momber at the 21st annual meeting of the European Association of Archaeologists. Geoff Bailey: , co-authored with Abdullah Alsharekh, Bill Bosworth, Maud Dev├Ęs, Saud Al Ghamdi, Niklas Hausmann, Matthew Meredith-Williams, Garry Momber, Najeeb Rasul, Giorgos Rousakis, Dimitris Sakellariou, Andrew Shuttleworth, Anthony Sinclair, Geoff Bailey and DISPERSE Project Partners. Lecture at Istituto di Scienze Marine, Bologna, Italy, 11th February, 2015.

He has formulated a systematic approach to approaching chronological research, which is embedded in the widely used software package Ox Cal.

Trained as a physicist, much of his early-career research was in the development of Accelerator Mass Spectrometry (AMS) techniques including the development of gas ion sources for AMS which allows the measurement of very small samples and a technique, GC-AMS with applications in the environmental and biological sciences.

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The grinding and scraping of ochre to produce a powder for use as a pigment was common practice in Africa and the Near East only after about 100,000 years ago.

Poster presented at the International Conference on the Marine Environment of the Red Sea, King Abdul Aziz University, Jeddah, Saudi Arabia, 10 November, 2014.

Opening speaker, 13th December 2011 (marking the 10th anniversary of the UNESCO Convention on the Protection of the Underwater Heritage).

The ease with which automated experiments on optically stimulated luminescence and on other types of stimulated luminescence can be done spawns huge volumes of data.

Making sense of data is therefore an inevitable practical concern in the luminescence community.

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