Top 25 Corporations and Organisations Leading in Social Responsibility in 2023
Rotary has continuously evolved, becoming an organisation that brings together businesspeople and professionals worldwide.
What archaeology tells us about the music and sounds made by Africa’s ancestors
Research in music archaeology in southern Africa has just begun. Available evidence dates back from around 10,000 years ago, from the Later Stone Age up to the Iron Age. The artefacts fall into two groups, namely aerophones, where sound is produced by vibrating air, and idiophones, where sound is produced by solid material vibrating.