A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its back off the coast of New Zealand. When you purchase through links on our ...

Mattias Krantz is a YouTuber with a penchant for bonkers engineering and musical projects. A few months ago, he went into a wet market looking not for lunch, but for a potential prodigy. Krantz wanted ...