Chordata, the phylum to which bats belong, encompasses a diverse range of animals with a notochord – a flexible rod-like structure providing support and serves as a precursor to the spine. Bats, as ...

The Cambrian explosion may have happened much earlier. The study quantitatively indicates that organisms with slender body profiles thrived around 545 million years ago.

If Glow On was about leveling up, Never Enough is concerned with maintaining that “mainstream rock” distinction. As if that wasn’t a big enough challenge, Turnstile is working without two ...

Evolutionary developmental biology is the comparative study of organismal development and how it has evolved. There is a particular focus on the genetic basis of phenotypic structures, how they ...

Ascidians (also known as sea squirts) are small marine animals. Ascidian larvae have tadpole-like bodies and swim by beating their tail, but the adults have a vase-like shape, no tail and are attached ...

Phylum: Chordata; Class: Mammalia; Order: Monotremata; Family: Tachyglossidae; Species: Tachyglossus spp. The echidna, also known as the spiny anteater, is a member of a family of a family of ...

2006 Deuterostome phylogeny reveals monophyletic chordates and the new phylum Xenoturbellida Nature 444:85–88 Google Scholar; 11. Delsuc F. Tsagkogeorga G. Lartillot N. Philippe H; 2008 Additional ...

Over the last 10–15 years, our understanding of the composition and functions of the human gut microbiota has increased exponentially. To a large extent, this has been due to new ‘omic’ technologies ...

John is Ars Technica’s science editor. He has a Bachelor of Arts in Biochemistry from Columbia University, and a Ph.D. in Molecular and Cell Biology from the University of California, Berkeley.