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18 January 2023 | Story Leonie Bolleurs | Photo Leonie Bolleurs
At the 31st Annual Conference of SAARMSTE, were from the left: Prof Loyiso Jita, Dean of the UFS Faculty of Education; Prof Dr Susanne Prediger, plenary speaker, Prof Francis Petersen, UFS Rector and Vice-Chancellor; Dr Maria Tsakeni, Head of the UFS Department of Mathematics, Natural Science and Technology Education and Conference Chair; Dr Tulsi Morar, SAARMSTE President; and Prof Mogege Mosimege, Research Chair in Mathematics Education and Director of Initial Teacher Education at the UFS.

The University of the Free State (UFS) hosted the 31st Annual Conference of the Southern African Association for Research in Mathematics, Science and Technology Education (SAARMSTE) on its Bloemfontein Campus from 17 to 19 January 2023.

After two years of hosting the SAARMSTE conference virtually, it was presented as a hybrid conference for the first time. In attendance were delegates from the continent, the USA, India, Australia, and Europe.

The conference theme was: Intersecting Research, Policy and Practice for a Sustainable Praxis in Mathematics, Science and Technology Education: New possibilities and directions for the post-COVID-19 Pandemic Era.

 

Sharing best practices and discussing common challenges

SAARMSTE President, Dr Tulsi Morar from the Nelson Mandela University, believes that the conference provided fertile ground for delegates to share best practices, to discuss common challenges experienced during the pandemic, and to celebrate how these challenges were overcome. "It is only through our reliance and strength that we have succeeded, and because of our experiences, we can grow and innovate to be better prepared for any further challenges," he said.

Opening the event was Prof Francis Petersen, Rector and Vice-Chancellor of the UFS. He said the conference provided meaningful discussions for the challenges the world has to solve, stating that with challenges also come possibilities.

“We live in a time of significant change in the realm of technology, which has an impact on the world of work. Graduates will need to change their thinking in the world of work. They need to understand the future world of work,” Prof Petersen stated.

He also touched on curriculum reform, saying that a critical challenge for South Africa's education system is the decolonisation of the curriculum. What is being taught must make meaningful sense in our context. “The UFS has made significant progress in curriculum transformation since 2016,” he added.

With delegates as well as speakers from other countries present at the conference, Prof Petersen also talked about the UFS’ Global Citizens initiative. He said no country can operate in isolation. We need to learn from each other to move forward as a collective. “It is also vital to deliver global citizens,” he said.

“The importance of the SAARMSTE conference cannot be overemphasised in our current education landscape. We need sustainable relationships to be developed at conferences such as these in order to ask questions, think differently, and renew ourselves,” he concluded, stating that the role of humanities and social sciences in society is critical and that SAARMSTE can add value in this context.

 

Thinking indigenously about Technology education and its implementation

Contributing to robust discussions on Science, Technology, Engineering and Mathematics education, three keynote speakers shared their views during the three-day conference.

Prof Dr Susanne Prediger, Director of the newly established DZLM, the German National Centre for Mathematics Teacher Education, delivered the first keynote address of the conference. She talked about Fostering students’ understanding of procedures and underlying basic concepts: Design research for mathematics classrooms and teacher professional development in the post-pandemic era.

She said that although providing students with rich and deep mathematical learning opportunities is a common request in Mathematics education, many students are still only exposed to superficial learning. According to her, this was aggravated by the school closures during the pandemic and will continue in the post-pandemic era if Mathematics teachers are not sufficiently supported and prepared.

The second plenary was delivered by Prof Mishack T Gumbo from the University of South Africa. He is a Research Professor of Indigenous Technology Knowledge Systems Education in the Department of Science and Technology Education. The title of his talk was: A relook into Technology Education: Raising a transformational issue, where he focused on education, specifically the curriculum of Technology Education as a school subject.

The third plenary was delivered by Dr Gillian Roehrig from the University of Minnesota in the United States. Dr Roehrig is known for her research that explores issues of professional development for K-12 Science teachers, with a focus on the implementation of integrated STEM learning environments and the induction and mentoring of beginning secondary Science teachers.

Her paper, titled The Hows and Whys of Integrated STEM Education, explored the development of a conceptual and curricular framework for integrated STEM, and the benefits of using interdisciplinary approaches to address the policy goals of preparing students as STEM-literate citizens and for the future STEM workforce.

News Archive

Fight against Ebola virus requires more research
2014-10-22

 

Dr Abdon Atangana
Photo: Ifa Tshishonge
Dr Abdon Atangana, a postdoctoral researcher in the Institute for Groundwater Studies at the University of the Free State (UFS), wrote an article related to the Ebola virus: Modelling the Ebola haemorrhagic fever with the beta-derivative: Deathly infection disease in West African countries.

“The filoviruses belong to a virus family named filoviridae. This virus can cause unembellished haemorrhagic fever in humans and nonhuman monkeys. In literature, only two members of this virus family have been mentioned, namely the Marburg virus and the Ebola virus. However, so far only five species of the Ebola virus have been identified, including:  Ivory Coast, Sudan, Zaire, Reston and Bundibugyo.

“Among these families, the Ebola virus is the only member of the Zaire Ebola virus species and also the most dangerous, being responsible for the largest number of outbreaks.

“Ebola is an unusual, but fatal virus that causes bleeding inside and outside the body. As the virus spreads through the body, it damages the immune system and organs. Ultimately, it causes the blood-clotting levels in cells to drop. This leads to severe, uncontrollable bleeding.

Since all physical problems can be modelled via mathematical equation, Dr Atangana aimed in his research (the paper was published in BioMed Research International with impact factor 2.701) to analyse the spread of this deadly disease using mathematical equations. We shall propose a model underpinning the spread of this disease in a given Sub-Saharan African country,” he said.

The mathematical equations are used to predict the future behaviour of the disease, especially the spread of the disease among the targeted population. These mathematical equations are called differential equation and are only using the concept of rate of change over time.

However, there is several definitions for derivative, and the choice of the derivative used for such a model is very important, because the more accurate the model, the better results will be obtained.  The classical derivative describes the change of rate, but it is an approximation of the real velocity of the object under study. The beta derivative is the modification of the classical derivative that takes into account the time scale and also has a new parameter that can be considered as the fractional order.  

“I have used the beta derivative to model the spread of the fatal disease called Ebola, which has killed many people in the West African countries, including Nigeria, Sierra Leone, Guinea and Liberia, since December 2013,” he said.

The constructed mathematical equations were called Atangana’s Beta Ebola System of Equations (ABESE). “We did the investigation of the stable endemic points and presented the Eigen-Values using the Jacobian method. The homotopy decomposition method was used to solve the resulted system of equations. The convergence of the method was presented and some numerical simulations were done for different values of beta.

“The simulations showed that our model is more realistic for all betas less than 0.5.  The model revealed that, if there were no recovery precaution for a given population in a West African country, the entire population of that country would all die in a very short period of time, even if the total number of the infected population is very small.  In simple terms, the prediction revealed a fast spread of the virus among the targeted population. These results can be used to educate and inform people about the rapid spread of the deadly disease,” he said.

The spread of Ebola among people only occurs through direct contact with the blood or body fluids of a person after symptoms have developed. Body fluid that may contain the Ebola virus includes saliva, mucus, vomit, faeces, sweat, tears, breast milk, urine and semen. Entry points include the nose, mouth, eyes, open wounds, cuts and abrasions. Note should be taken that contact with objects contaminated by the virus, particularly needles and syringes, may also transmit the infection.

“Based on the predictions in this paper, we are calling on more research regarding this disease; in particular, we are calling on researchers to pay attention to finding an efficient cure or more effective prevention, to reduce the risk of contamination,” Dr Atangana said.


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