“Olly the Octopus wasn’t always a famous ... since octopi have 3 hearts! The story carries an essential lesson for children that teaches the importance of persisting through difficulties ...

Do not get a pet octopus unless you're ready to lose sleep and your kids' college fund simultaneously ... This has been my favorite story on TikTok. Hugs to your son.' Another commented ...

This story appears in the May 2017 issue of National ... It is free of wires, batteries, and any hard material—like its namesake, the octopus, which has no internal skeleton.

This story ran in the April 2016 issue of National Geographic magazine. In most octopus species it’s customary after sex for the female to make a meal—of her partner. To avoid being eaten ...

Award-winning author and ocean activist Mark Leiren-Young is bringing the mysterious world of octopuses to young readers in his new book, Octopus Ocean: Geniuses of the Deep.