Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...

The research suggest octopus and other cephalopods, like squid and cuttlefish, all rely on the ancient chromosome to ...

The Celtic rainforest used to stretch all across Britain but over the centuries (thanks to destructive human activity) has shrunk to just one percent of the country’s land area. Right now, a ...

What stands out the most about this ancient cephalopod sex chromosome is how little the chromosome has changed over time.

The octopus just revealed another one of its secrets: what determines its sex. University of Oregon researchers have ...

One day, late in January, a friend and I watched two Steller sea lions swimming near Pt. Louisa. One of them held a front flipper high above the water for several minutes. We often see this behavior, ...