One little mutation can mean so much

How did unicellular organisms become multicellular? It could come down to a single mutation 600 million years ago in their DNA.

Mitochondrial DNA mutations linked to autism

Evidence mounts that mitochondrial DNA mutations are associated with autism. Mutations in mtDNA are also associated with neurological and developmental disorders.

6th base found in eukaryotic DNA

A 6th nitrogenous base, once thought to exist only in bacteria, has been found in the DNA of eukaryotic cells.