Kenya's capital, which sits on a floodplain, has not taken enough measures to mitigate against flooding.

China has taken big stakes in mines across the world extracting minerals vital to the green economy.

Sending money across borders, particularly in Africa, can still be expensive.

Painless and easier to store than injections, it remains early days for microneedle-patch technology.

Heavyweight boxer Francis Ngannou's 18-month-old son has passed away.