Humankind has always looked to the stars for understanding and inspiration. As we approach the dawning of Matariki celebrations, one of New Zealand's foremost experts in Māori astronomy and tribal star lore tells the story of how his late grandfather shared with him ancient knowledge that he had kept hidden for decades. Paul Williams reports.

Professor Rangi Matamua wasn't always a university lecturer. Once upon a time he was an inquisitive young man growing up in Horowhenua who asked his grandfather to tell him what he knew about the stars, about Matariki.

What he could never have known was that