If you’re here for bitcoin advice on the Kraken exchange, you’re come to the wrong place … but stay anyway because this is about something more elusive that the secrets of bitcoin riches – a new study reveals how a group of marine biologists managed to twice capture footage of live Krakens, the giant squids that created the myths of the monsters that ate Norse ships. Before you run out to buy an underwater camera and book a diving trip to Greenland, you may want to find out why it’s so difficult. “Knowledge of the behaviour, distribution, and abundance of these species is therefore a key component to understanding deep-sea ecosystems.”