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26 April 2018 Photo Supplied
Pretzel-formed fossil of great evolutionary interest
Slab with holotype of Parapsammichnites pretzelifornic from the Urusis Formation, Namibia. Scale bar is 1cm.Picture was taken from Buatois et al., 2018.

The acclaimed scientific journal, Nature, recently published an article about a trace fossil in approximately 543-million-year-old rocks, which elucidates the evolution of the first animals that appeared on Earth and lived in the sea.  

Affiliated Professor in the Department of Geology at the University of the Free State (UFS) Prof Gerard Germs formed part of a team that conducted research with the aim of understanding how the evolution of the first multicellular animals came about and how the Cambrian explosion took place. Prof Germs is of great value to the team for his extended field geological knowledge.

An article which he co-authored was published in the Nature Scientific Reports. The title of the article is: “Sediment disturbance by Ediacaran bulldozers and the roots of the Cambrian explosion”. The international group of writers included authors from Canada, Spain and South Africa. 

Occurrence of the Cambrian explosion
Prof Germs explains the Cambrian explosion: “During the long (4.5-billion-year) history of the Earth, the first life originated and subsequently evolution of plants and animals took place from one-cellular organisms to multicellular vertebrate animals and seed plants. Approximately 573 million years ago the first multicellular animals appeared on the scene. Sometime afterwards, approximately 540 million years ago, a kind of explosion in the origin of many new animal species occurred. This explosion is known as the Cambrian explosion.”

The team studied Earth sediments which are somewhat older than the Cambrian explosion. Such sediments are approximately 573 to 541 million years old and form part of the Ediacaran (late Neoproterozoic) period.

“My discoveries of the past, of among others, the oldest animal with a carbonate skeleton (Cloudina) and of complex horizontal Cambrian-type “worm” tracks (treptichnids) in Ediacaran sediments of Namibia have demonstrated that the Cambrian explosion occurred more gradually than previously thought. This has recently been confirmed in the article that was published in the Nature Scientific Reports.”

Pretzeliformis bulldoze to search for food
According to the article there is evidence that   during the Ediacaran period   worm-like animals such as the Parasammichnites pretzeliformis were already so far developed that they, due to coelom development and size increase, for the first time in the history of the Earth, were able to disturb and bulldoze sediments.  In this way they were able to find a new food source in sea sediments. Bulldozing animals were previously thought to have originated only during and after the Cambrian explosion and not during the older Ediacaran.

“Another major aim of my cooperative research is to improve our knowledge of the geology of the Ediacaran to early Cambrian of South Africa and Namibia. We also intend to establish how the assembly of the supercontinent Gondwana took place. This improved knowledge can be of great future economic interest since large oil, gas and limestone sources occur in Ediacaran-age sediments outside South Africa”.

News Archive

Researcher finds ways to serve justice efficiently
2016-01-07

Description: Prof Monwabisi Ralarala  Tags: Prof Monwabisi Ralarala

Prof Monwabisi Ralarala tackled the serving of justice from a linguistic viewpoint.
Photo: Supplied

In 2012, local and international media was saturated with reports of the Eugène Terre’Blanche murder trial. At the judgment, Judge John Horn read a lengthy extensive document, of which three pages were dedicated to voicing his concern about how police officers distort statements in the process of translation. Considering the fact that statements are the entry points to the criminal justice system, Prof Monwabisi Ralarala’s attention was drawn to the negative impact such distortion had insofar as the administration of justice was concerned. Of the three PhD degrees conferred by the University of the Free State (UFS) Faculty of Humanities at the 2015 Summer Graduation, one was in Language Practice with Prof Ralarala’s name on it.

Prof Ralarala’s research interests in language rights, forensic linguistics, and translation studies led him to use the Terre’Blanche trial as the basis for his second PhD case study titled: Implications and explications of police translation of complainants' sworn statements: evidence lost in translation. The doctoral dissertation focused on police stations in the Xhosa-speaking community of Khayelitsha in Cape Town.

Language and the law

When the victim of a crime approaches the South African Police Services (SAPS), the requirements are that a sworn statement be taken. However, as a prerequisite, the narration needs to be translated into English.  “The process unfolds in this manner: the complainant or the person laying the charges speaks in a language that they understand, and then the police officers translate that information into English because English is still the de facto language of record,” explained Prof Ralarala.

In the process of translation, the original narrative is lost, and so is some of the evidence. “They [the statements] have to be packaged in a certain way, in the form of a summary. As a police officer, you have to discard all the original narrative and create another narrative which is in English,” added the Associate Professor and Institutional Language Coordinator at the Cape Peninsula University of Technology.

Evidence is the basis of any court case and, when it is translated by police officers who do not hold the credentials of professional translators, a problem inevitably arises.

Because police officers are not trained in translation, “Some of the statements are filled with distortions, changing of information all together. In some cases, one would come across a case which was initially an assault but then - through the change and transformation, re-narration, retelling of the story by someone else - it becomes a case of attempted murder.”

Considering that a statement determines a suspect’s fate, it becomes all the more important to ensure that accuracy is upheld.

His internal and external supervisors, Prof Kobus Marais and Prof Russel Kaschula from the UFS and Rhodes University respectively stated that his PhD work has been hailed as a gem by international scholars. “According to one international assessor, he has made an exceptional contribution to the humanities and social sciences in general and to the fields of linguistics and translation studies in particular.”

Reshaping the landscape

According to Prof Ralarala, there are huge gaps in the translated versions of statements which create a problem when a ruling is made. Some of the recommendations put forward in his dissertation to bridge that gap are:

• to review the language policy insofar as the criminal justice system is concerned. The languages we speak are official and constitutionally embraced, and they hold the same status as English, hence they need to be used in criminal justice processes;
• to revisit the constitution and review if the provisions made for the Nguni languages are implemented;
• to supplement paper and pen with technology such as tape recorders. Statements can be revisited in cases where a controversy arises;
• to deploy professional translators and interpreters at police stations;
• to design a manual for police officers which contains all the techniques on how a statement should be taken.
• to enforce constitutional  provisions in order to reinforce the language implementation plan in as far as African languages are concerned .

These recommendations serve to undo or eliminate any perceived injustices perpetuated and institutionalised by current linguistic and formal practices in South Africa's criminal justice system.

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