Quest Vol. 17 No. 2 is now available!

Download Volume 17.2 (Size: 7.8MB)

Editor’s Note


Acids, alkalis, and the pH scale

Andy Brunning, aka Compound Interest, puts us in the picture

Acidophiles: living in acid!

Don Cowan gives an overview of microorganisms of acidic environments


Mauro Lourenco tells us about acid mine drainage and its treatment

Southern Cape streams

Chris Curtis reports on the region’s naturally acidic black and white streams

Acid rain

Quest explores how it became a catalyst for cross-border cooperation

Stream acidification

Londiwe Khuzwayo shares her research on acid deposition in streams

Soil acidification

Jean-Pierre Pellissier and Pieter Swanepoel discuss its implications for agriculture

Ocean acidification

Carla Edworthy tells us about this threat to the marine environment


Become a shark citizen scientist

Chantel Elston introduces us to ELMO

Dating Bokoni

Ruby-Anne Birin, Alex Schoeman and Mary Evans explain how they dated an ancient settlement

The sky’s the limit for UKZN rocket scientists

Sally Frost and Christine Cuénod celebrate their achievements

Warp drives

Mario Borunda reports on the chances of faster-than-light space travel

Combing the giraffe

Harriet Box quizzes Jamie Paulse about her MSc study on giraffe in the Klein Karoo


The evolutionary history of our oral bacteria

Matie microbiology students kick butts

Raising awareness on indigenous knowledge