Vol. 115 No. 1/2 (2019)

View Vol. 115 No. 1/2 (2019)

About the cover:

Tulbaghia violacea. Madike and colleagues report on the genotoxicity of aqueous extracts of Tulbaghia violacea – a plant commonly known as wild garlic and used in traditional medicine for the treatment of various ailments. Photo: Krzysztof Ziarnek/CC-BY-SA-3.0.

Full online issue available here.

Published: 2019-01-30

Full Issue

Leader

Does more and better research result in greater and effective impact?

John Butler-Adam

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Book Review

Radio, like you’ve never read it before

Marina Joubert
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A tale of unusual dedication: The lives of JLB and Margaret Smith

Brian W. van Wilgen
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Scientific Correspondence

Reflections on demonstrating development-oriented innovations in South Africa

Tim G.B. Hart, Irma Booyens, Bhekiwe Fakudze, Sikhulumile Sinyolo
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Using ocean robots on high-resolution profiling to capture the fast-flowing Agulhas Current

Tamaryn Morris, Tarron Lamont
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Morphometric comparison of semicircular canals of Parapapio broomi and P. jonesi from Sterkfontein, South Africa

J. Francis Thackeray, Jean Dumoncel, Dominique Gommery, Lazarus Kgasi, Gaokgatlhe M. Tawane, Frikkie C. de Beer, Jakobus W. Hoffman, Lunga C. Bam
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Commentary

The nature of international collaboration in the Benguela upwelling region, 2000–2016

Mark J. Gibbons, Bonga Govuza
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Research Article

Science in the service of society: Is marine and coastal science addressing South Africa’s needs?

Kevern L. Cochrane, Warwick H.H. Sauer, Shankar Aswani
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Growth and yield parameters of three cowpea (Vigna unguiculata L. Walp) lines as affected by planting date and zinc application rate

Nonkululeko Mfeka, Reckson A. Mulidzi, Francis B. Lewu
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Genotoxicity of aqueous extracts of Tulbaghia violacea as determined through an Allium cepa assay

Lerato N. Madike, Samkeliso Takaidza, Cornelius Ssemakalu, Michael Pillay
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The Pleistocene fauna of the Cape south coast revealed through ichnology at two localities

Charles W. Helm, Hayley C. Cawthra, Jan C. de Vynck, Martin G. Lockley, Richard T. McCrea, Jan Venter
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Palaeotopography of a Palaeolithic landscape at Bestwood 1, South Africa, from ground-penetrating radar and magnetometry

Konstantinos S. Papadimitrios, Carl-Georg Bank, Steven J. Walker, Michael Chazan
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Perfectionism and motivation in sport: The mediating role of mental toughness

Richard G. Cowden, Lee Crust, Patricia C. Jackman, Timothy R. Duckett
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Observations from SANSA’s geomagnetic network during the Saint Patrick’s Day storm of 17–18 March 2015

Emmanuel Nahayo, Pieter B. Kotzé, Pierre J. Cilliers, Stefan Lotz
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The influence of science reading comprehension on South African township learners’ learning of science

Angela Stott, Tanya Beelders
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Comparing mathematics knowledge of first-year students from three different school curricula

Sonica Froneman, Mariette Hitge
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