The role of wild and domesticated animals on alpine ecosystems is unclear. Here, the authors use sedaDNA from 14 European alpine lakes to demonstrate a positive association between wild and ...

These echinoderms can regenerate entire arms (called rays) when damaged or severed, but their regenerative abilities go even further. Some starfish species can regenerate their entire body from a ...

My daughter is also very good at urchin-wrangling. The urchin can’t resist her calm sympathy and good humor and she has the little echinoderm practically purring in no time. Occasionally ...

The depths of our oceans hold mysteries that continue to fascinate scientists and ocean enthusiasts alike. Among these wonders is the phenomenon of bioluminescence – the ability of living organisms to ...

Watch to learn more. Then we move on to their distant cousins the brittle stars (Ophiuroidea). These echinoderms have evolved in a different direction most species live under rocks. They have a ...