To the untrained eye, the ancient brittle star fossil above looks like what you’d expect of a now-especially-brittle echinoderm. But the fossil is quite rare: It captures the moment at which the brittle star was cloning itself, regenerating three of its arms as it died.
Another day, another terrifying sea creature for our fragile human minds to process. A team of marine scientists say they’ve confirmed the existence of a bevy of new species living around Antarctica. One of these apparent discoveries is an invertebrate that somewhat resembles a strawberry, albeit with 20 arms.
