Is Nigeria’s retail industry growing or shrinking?

Paris's landmark museum is gearing up for the Olympics, with a special exhibition that takes visitors through the history of the Games. We hear more about a project for those who want to combine exercise and culture, as the Louvre launches a fitness circuit that puts participants among the artwork. Plus, a new show shines a light on the work of mysterious Dutch painter Jan van Eyck, and French land artist Saype gets his first solo show in Paris, after painting his immense frescoes on landscapes around the world.

At this year's Hannover Messe trade fair, it seems obvious that major industrial innovations are no longer possible without China. While exhibitors from China exude optimism, lobby groups plead for pragmatism.

Find these stories and much more when you grab a copy of The Guardian on Saturday.

The government of the Democratic Republic of Congo is accusing Apple of using "illegally exploited" minerals extracted from the country's embattled east in its products, lawyers representing the African country said Thursday.

Nigeria’s Federal Competition and Consumer Protection Commission is intensifying its price monitoring and surveillance exercise across the country in a bid to address irregularities in retail prices of goods and services. Adamu Abdullahi, the acting Executive Vice Chairman and Chief Executive Officer of the Federal Competition Consumer Protection Commission, joins CNBC Africa for this discussion.

Find these stories and much more when you grab a copy of The Guardian on Tuesday.