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By centrally controlling when household water heaters (geysers) can be switched on and off, South Africa can ease up electricity demand during peak consumption times. Shutterstock

Smart water heating could help in South Africa’s energy crisis

Centrally switching water heaters on and off at specific times can distribute the demand for electricity and lead to energy saving.
Successful vaccination against measles in childhood should provide lifetime protection. Paul Hennessy/NurPhoto via Getty Images

Explainer: a history of the measles virus and why it’s so tenacious

Measles infection can be easily managed with prompt health care and symptom management. But without care, mild symptoms can turn into life threatening secondary infections or long-term effects.
The digital economy includes small holder farmers being able to access finance on a mobile device without having to go to a bank. Shutterstock

The digital economy is becoming ordinary. Best we understand it

The digital economy will, soon, become the ordinary economy as the uptake - and application - of digital technologies in every sector in the world grows.
Mosquito eggs can remain viable for years even in dry conditions and hatch after heavy persistent rains. Shutterstock

Heavy rains put Kenya at risk of mosquito-borne diseases

Prolonged rains increase the amount of stagnant water in the environment in which mosquitoes breed. This increases the risk of mosquito-borne diseases.

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