Ghana has rejected a $109m US health deal over data protection concerns.Zimbabwe has also turned down a similar offer.The BBC’s Thomas Naadi explains why some African nations are pushing back.

For more than 70 years, British broadcaster and naturalist, Sir David Attenborough has brought nature to our screens.At 100, he reflects on one unforgettable moment - coming face to face with mountain gorillas in Rwanda.Here’s that encounter from 1979.

Twenty years ago, Congolese man Guy Goma came into the BBC for a job interview but, in a now legendary case of mistaken identity, ended up live on the BBC News Channel. Speaking to BBC Africa, Guy explained how he managed to stay calm under the unexpected pressure of live TV.

🦍One of Sir David Attenborough's most memorable moments? This encounter with a group of playful mountain gorillas in Rwanda in 1979.Happy 100th birthday Sir David! 🎉🎧 https://t.co/KQKcBnyF3P

“When I’m darker, nobody sees me. It’s like I am invisible. I’ve always been complimented when I’m lighter.” Focus on Africa Podcast host Charles Gitonga spoke to South African software developer Masheane Sefuthi, who has been on a journey to ‘whiten’ his skin.