The sounds of coral reefsJim Al-Khalili meets Tim Lamont, a young ecologist making waves restoring coral reefsTim Lamont is a young scientist making waves.Arriving on the Great Barrier Reef after a mass bleaching event, Tim saw his research plans disappear and was personally devastated by the destruction.But from that event he discovered a novel way to restore coral reefs.Playing the sounds of a healthy coral reef entices fish in to recolonise the wrecked reefs.Tim's emotional journey forced him to realise that environmental scientists can no longer just observe."