Deck officer Craig Palmer, 36, spotted the four killer whales in the North Sea ... are seldom seen off the coast of Britain ...

Deck officer Craig Palmer, 36, spotted the four killer whales in the North Sea ... of Britain due to their limited numbers - and rarely breach. It was the first time Craig had ever spotted ...

Science doesn't just happen in labs—it unfolds under Arctic skies, in frog-filled forests, and atop misty mountains.