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05 June 2018 Photo Supplied
Digging up truth South Africa was way different to what you thought
Archaeological excavations in the Wonderwerk Cave, north of Kuruman in the Northern Cape.

Research fellow Dr Lloyd Rossouw from the Department of Plant Sciences at the University of the Free State (UFS) recently published an article in the Nature Ecology and Evolution journal with Dr Michaela Ecker from the University of Toronto as lead author, and Dr James Brink, research fellow at the UFS Centre for Environmental Management. The findings described in “The palaeoecological context of the Oldowan-Acheulean in southern Africa” provides the first extensive paleoenvironmental sequence for the interior of southern Africa by applying a combination of methods for environmental reconstruction at Wonderwerk Cave, which have yielded multiple evidence of early human occupation dating back almost two million years ago.

Where water once was
The Wonderwerk Cave is found north of the Kuruman hills (situated in Northern Cape) a 140m long tube with a low ceiling. The surroundings are harsh. Semi-arid conditions allow for the survival of only hardy bushes, trees, and grasses. But during the Early Pleistocene, stepping out of the Wonderwerk Cave you would have been greeted by a completely different site, the researchers found. Using carbon and oxygen stable isotope analysis on the teeth of herbivores (Dr Ecker), fossil faunal abundance (Dr Brink), as well as the analysis of microscopic plant silica remains (phytoliths) excavated from fossil soils inside the cave (Dr Rossouw), the results show that ancient environments in the central interior of southern Africa were significantly wetter and housed a plant community unlike any other in the modern African savanna. 

What difference does it make?
While East African research shows increasing aridity and the spread of summer-rainfall grasslands more than a million years ago, the results from this study indicate an interesting twist. During the same period, shifts in rainfall seasonality allowed for alternating summer and winter-rainfall grass occurrences coupled with prolonged wetlands, that remained major components of Early Pleistocene (more or less the period between one and two million years ago) environments in the central interior of southern Africa. That means our human ancestors were also living and evolving in environments other than the generally accepted open, arid grassland model.

News Archive

Deaf Awareness Month empowers the hearing impaired
2015-09-21

There are more sign languages in the world than spoken languages. About 600 000 deaf South Africans have the South African Sign Language (SASL) as their first language. There are about 40 schools for the deaf in South Africa. 90% of all deaf children are born to hearing parents. Only about 30% of speech is visible on the lips.

How many of these fundamental facts did you know?

Deaf Awareness Month serves to educate hearing communities about issues that the deaf population face on a daily basis, as well as to honour the history and culture of people who are deaf or hard-of-hearing. For the past 70 years, the University of the Free State (UFS) has dedicated September to hosting events around the topic of hearing impairment.

The theme of ‘With South African Sign Language rights, our children can!’

This year’s theme had learners from Bartimea School for the Deaf and Blind, hearing impaired UFS students, and Prof Jonathan Jansen engaged in a conversation around empowerment at a picnic held on Monday 7 September 2015 at the Red Square on the Bloemfontein Campus.

Through a sign language interpreter, Matshela, a grade 12 learner, explained that he felt empowered by the efforts the university has made to embrace and empower individuals with disabilities. He then revealed his intentions of pursuing Information Technology or Social Work studies at Kovsies.

Clifford Machete, a first-year Administration student at the university, stated how sign language interpreters gave him an ‘I can’ attitude when he first arrived at university.  “As a deaf person, I see that I am able to learn with the help of sign language interpreters. There is accessibility at the university, and I am so proud to be a student here and part of Deaf Awareness Month.”

Susan Lombaard, Lecturer and Acting Chairperson at the Department of South African Sign Language, believes that Deaf Awareness Month is about promoting human dignity.

“We want to show the world that deaf people can do everything, and that their language is as strong and important as any spoken language.”

For more information regarding Deaf Awareness Month activities, contact the South African Sign Language Department on 051 401 2251.

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