Octopuses, along with their cephalopod cousins squids and cuttlefish, are considered to be some of the most intelligent invertebrates out there. They have large brains and are able to quickly master a ...

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 ...