With stunning photos and stories, National Geographic Explorer Wade Davis celebrates the extraordinary diversity of the world's indigenous cultures, which are disappearing from the planet at an alarming rate.

Tim Braithwaite, Liaison Manager for the Canadian Space Agency, talks about robotic arms in space: how they were conceived and developed, how they work today, and how the technology is useful on Earth. HWHAP Episode 14.

Today, we’re not going to hide from the history of Canada's Residential Schools. It’s time the sins of this country finally surface, and Canada gets the exposure it was painfully overdue for.