We all know that the male octopus uses his third right arm as a penis. (Oh, you didn’t? It’s true. Sometimes he even detaches it to give to the female.) In fact, all of the arms, if not so specialized ...

Add Yahoo as a preferred source to see more of our stories on Google. There are at least 300 known species of octopuses. “Over the past 30 years, various studies have explored different methods to age ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.