It’s not uncommon to glance down at the pavement or the floor of a shopping centre and spot traces of ancient life – ammonites and belemnites can be seen in deposits all over the world, for example. But in the Spanish town of Girona, the paving slabs of one street have offered up a very…
Tag: CT
Sloths’ mysterious teeth decoded
Like most mammals, we humans have a variety of tooth types for different purposes: incisors, for gripping, canines for ripping and tearing, and molars (also pre-molars) for grinding and chewing. But one group, known as the Xenarthra (a particularly excellent name meaning “strange joints”), have very simple dentition, with similar, unrooted teeth which lack enamel and…
#TomographyTuesday: Watch incredible CT scan reveal young brittle stars developing inside their parent!
Most marine invertebrates, and certainly most brittle stars, spawning gametes (eggs and sperm cells) into the oceans and the embryos are formed and grow externally. But a few species carry live young, with their offspring developing within the parent’s body. How exactly these creatures – which have pretty small central bodies to begin with – accommodate…
Anatomy To You 