Russian scientists have revived a 24,000 year-old microscopic worm that had been frozen in Siberian permafrost, and now the creature is reproducing. What could go wrong? The creature — called a ...

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 ...

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 ...