Australia approves world-first vaccine to curb killer epidemic
USCThe single-dose vaccine aims to stop the spread and severity of the…
Killer whales ‘massage’ each other using kelp
Victoria GillScience correspondent, BBC NewsWatch: Killer whales use kelp to ‘massage’ each…
Killer whale vs shark: Solo orca eats great white
A killer whale is captured on camera hunting and "eviscerating" a great…
