Rotifers, tiny freshwater and marine invertebrates, have long provided an excellent model for exploring the mechanisms of inducible defences – a form of phenotypic plasticity whereby organisms alter ...

Bdelloid rotifers are multicellular animals so small you need a microscope to see them. Despite their size, they're known for being tough, capable of surviving through drying, freezing, starvation, ...

This podcast originally aired on August 17, 2021. Karen Hopkin: This is Scientific American's Science, Quickly. I'm Karen Hopkin. What has one head, one foot and one heck of an origin story? No, it’s ...

Floscularia ringens is king of its castle. Brick by brick, this microscopic rotifer – or “wheel animal” – builds the tube it inhabits. To make its home, the rotifer gathers organic debris from the ...

Some animals are microscopic, like the bdelloid rotifer. These multicellular animals are extremely tough, and can survive starvation, freezing, drying, and a lack of oxygen. Now, scientists have ...