WATCH: Bill Gates on his plans to invest $40 million on Edinburgh based projects
Last updated 26th Jan 2018
Microsoft founder Bill Gates has announced plans to invest $40 million in farming projects at Edinburgh University.
Experts at the uni are working on research aimed at helping some of the poorest communities in the world.
They're doing that through developments like cheap vaccines for livestock and more productive crops.
In a radio exclusive, the billionaire has been speaking to our political correspondent Alan Smith: