Photo credit: The Phone Oximeter in use in Uganda. Credit: www.phoneoximeter.org/

Low-cost mobile-based apps for health care in low-resource areas

Standard oximeters are typically used in operating rooms to make sure patients don’t become hypoxic, thus increasing the safety of anaesthesia. They can also be used to diagnose disease, but can be costly, writes Michelle Galloway. Therefore studies are underway to provide mobile-based apps that can do the same, but at a lower cost.   “We…

Wine tasting at Stellenbosch University. Photo: Engela Duvenage

[LISTEN] The Science Inside’s Wine segment

This week’s The Science Inside radio slot is all about wine. The Drunken Monkey Hypothesis is discussed, and how our enjoyment of alcohol might be evolutionary. Find out about the chemistry of a good wine with Prof Antonio Ferreira and the process of wine making with Samantha Fairbairn. Both are from the Institute for Wine Biotechnology…

Janethon de Klerk (18, left) conducting a science experiment with a fellow learner at Carnarvon High School.

It starts with oneself – you need to love what you are doing

Janathon De Klerk calls herself the Astronomer of the Karroo in line with her ambition to become a radio astronomer at the Square Kilometre Array project. Now, her ambitions follow her ability to secure bursaries from the project due to her excellent performance at school and so far, she has not disappointed. Born and raised…

The yellow presba. Photo: John P Simaika

John Simaika’s fascination with dragonflies

Stellenbosch University water ecologist Dr John Simaika has spent lots of time around dragonflies since one serendipitously landed on his dinner plate while he was discussing his honours degree project. Along with his former postgraduate supervisor, the renowned insect conservationist Prof Michael Samways of the SU Department of Conservation Ecology and Entomology, he has recently…

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Pee, poo & pollen say climate change is real

While chatting with one Nigel Barker of UP (@Nigel_GEBP) about something different entirely, he mentions that Dassie middens, used by generations of the little critters to drop their deposits into neat, sticky piles over 100s of years come rain or shine, can tell us if, in fact, it was raining or shining. The stickiness of the…

The "yellow blob" resolves into three with "better spectacles".

MeerKAT science: First Light

MeerKAT science: First Light THE MEERKAT radio telescope opened its eyes for the very first time last month and with the science being done, produced amazing images. MeerKAT lead scientist, Dr Fernando Camilo, took journalists and government officials on a journey that started with KAT-7 to the 16-dish MeerKAT array that ends with a stunning…

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I-MeerKAT Ithola Obekungaziwa eMkhathini

UMSHINI wokucwaninga izinkanyezi ozoba omkhulu kunayo yonke emhlabeni uvulwe ngokomthetho esifundazweni se-Northern Cape ngoMgqibelo odlule. Lomshini wakhiwa abacwaningi nonjiniyela bakhona la eNingizimu Afrika. Ukuvulwa kwalomshini kuhambisane nomcimbi obukade unalabo bezindaba kanye nongqongqoshe abaningi. Lomshini osebenzisa amagagasi omsakazo ukucwaninga umkhathi uzoba nezindishi ezingama-64 kodwa okwamanje zisawu-16. Izindishi lezi zibukeka ziphinde zisebenze njengalezi ezitholakala ezindlini ezinenhlanhla yokuba…