A team of scientists say they have found a new candidate for the origins of animal life, according to a study published in the journal Nature. It has long been thought by many biologists that the ...

DURING an investigation of mucous secretion on the proboscis of Harrimania kupfferi 1 ultra-thin sections were made of the epithelium of various parts of the body including proboscis, collar and the ...

When the first sponge genomes were sequenced in the early 2000s, researchers were surprised to find that sponges not only have roughly as many genes as humans and other complex creatures but also have ...

Theories about how animals became multicellular are shifting as researchers find greater complexity in our single-celled ancestors. From one came many. Some 700 million years ago, a single cell gave ...

A new study of gene expression in sponges reveals the complex diversity of their cells as well as some possibly ancient connections between the nervous, immune and digestive systems. When the first ...