World of BusinessWhy Japanese firms are being so slow to use AIJapanese risk aversion and conservatism blamed for slow AI take-up by the country's business sector.'I started in my 20s and made £8,000': Why women are often better investors than menWomen can make higher returns but only about a quarter of UK women have investments, compared with about 40% of men.Africa's richest man’s plan to change a continentAfrica's richest man Aliko Dangote tells the BBC that he plans to build a new oil refinery in Kenya.What you wear can help you get a job - here's howWhile you need to answer the questions in an interview, your appearance and mannerisms are also crucial.The 20-somethings betting big on tech stocksThe BBC hears from people about the risks and rewards of investing in technology shares.Shift from diesel 'helping Rwanda manage price shocks'Moving beyond diesel to local energy has given Rwanda a buffer against rising global energy prices.World of BusinessKenya bank CEO calls for regional response to energy shockEast Africa urged to unite and collaborate on infrastructure in response to the global energy price volatility.World of BusinessEnergy price increases challenge connectivity across AfricaAfrica's largest mobile network operator warns that the Iran crisis could deepen Africa's connectivity gap.World of BusinessWhy the Iran crisis threatens Africa's food supplyThe head of one of East Africa's biggest banks has warned of the Iran war's impact on food security in Africa.World of Business'Energy security outweighing climate concerns globally'The head of one of Nigeria's biggest energy companies, Oando, says Iran tensions have boosted demand for African oil.World of BusinessChina's new exports take on the worldA new generation of Chinese goods are riding a new wave as they become globally recognisable brands.World of Business