Adorable or terrifying: Researchers unveil tentacular marine exploration drone prototype guaranteed to set off your Subnautica flashbacks

I've never been the strongest swimmer; despite weekly trips to the pool with school, I never did manage to graduate from the shallow end paddlers. While some of my peers took to the water like a duck, or swam like a fish, I thrashed around like an octopus whose stubborn limbs refused to co-ordinate.

Truly, I put cephalopods to shame everywhere—if they can figure it out, with their semi-autonomous limbs, then why couldn't I with my big human brain? Well, some bigger brained humans than I...