Microsoft co-founder and philanthropist Bill Gates has said his foundation will invest another $5bn in Africa over the next five years.

Bill Gates argues that America’s capacity to develop new technologies is one of its greatest strengths and, if harnessed, can help people worldwide

Bill Gates has sided against Apple - and many other technology companies - in saying the firm should help the US government hack into a locked iPhone as part of the investigation into the San Bernardino shootings.

Bill Gates salutes as his heroes the health and education workers whose vaccine programmes are on the brink of wiping out forever the debilitating, often deadly, disease.

The world’s richest person got even richer this year. Bill Gates’s net worth rose to $79.2bn in 2015 from $76bn last year, Forbes said.

Two leading global philanthropists, Jeffrey D. Sachs and Bill Gates, debate the impact and progress of the Millennium Villages Project, which aims to improve lives in 20 African countries over the course of 10 years.