Left, a hydra stained in blue where the light-sensitive opsin gene is expressed. Right, two tentacle bulbs showing the arrangement of neurons and stinging cells (red), muscle fibers (green) and cell ...

Researchers pinpointed the genetic machinery behind some of these tiny creatures’ amazing powers of regeneration. By Sam Jones In rivers and streams across the globe lives a tube-shaped carnivore. It ...

An unusually elastic protein has been discovered in one of the most ancient groups of animals, the over 600-million-year-old cnidarians. The protein is a part of the "weapons system" that the ...

Transposable elements are one of the major contributors to genomesize differences in metazoans. Despite this, relatively little is known about the evolutionary patterns of element expansions and the ...

Microbes are everywhere, even inside of our bodies. The gut microbiome has been shown to have a powerful influence on biology, and can even affect the brain. Scientists have been learning more about ...