Global News Hour at 6 BC January 1 2020 9:33pm 01:45 B.C. scientists spots ‘unicorn’ of the ocean A B.C. scientist is still on cloud nine after spotting one of the most rare whales in the world, during an Antarctic expedition. Brad MacLeod reports. ‘Rarest marine mammal on the planet’: British Columbia scientist spots elusive ‘Type-D’ orca Responsive site?