A similarly active, writhing structure forms when the tentacles of lion's mane jellyfish become entangled. Robotic grippers utilize this principle by using multiple synthetic flexible arms to grip ...

In contrast, cnidarians, such as jellyfish and sea anemones, are traditionally described as radially symmetric, and indeed jellyfish are. However, the situation is different is the sea anemones ...

Train, car, bicycle ... Hundreds of millions of us make the same journey day in day out. Take a hike with Alice and Neil and learn new vocabulary.