LifeCore set of genes explain why some animals stick to one mate at a time Across a wide range of species, from mice to fish, a common set of genetic changes appear to be linked to monogamous behaviour 51¶¯Âþ
LifeBizarre fossil that baffled us for years is early starfish ancestor Extinct animals called stylophorans have caused confusion for decades, but fossils with preserved soft tissue reveal that they were relatives of starfish 51¶¯Âþ