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In Alexandra township in Johannesburg, South Africa, urban farmers are boosting food supplies with home and community gardens. Courtesy Blessings Masuku

Urban farming helps Johannesburg’s poorest households survive – now it needs bigger investment

From roadside plots to community gardens, urban farmers in Alexandra township, South Africa are growing food, earning income and coping with climate change.
Candy canes were once white sticks of sugar. Now they’re striped and come in a variety of flavours, including pickle. (Shutterstock)

The history of candy canes and why they taste so cool

Candy canes have an uncertain history from their flavour to their stripes. One thing is certain though: they make your mouth feel cold.
The smell of daffodils is a treat for most people, but some cannot experience the joy because they have lost their sense of smell. Mila Supinskaya Glashchenko/Shutterstock.com

Can you pass this smell test?

Our senses of taste and smell are linked to one another in ways that experts are continuing to explore. See if you can answer some questions for which experts have discovered some surprising answers.

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