* Astronomy

Traces of bone-eating "zombie worms" have been found in a three-million-year-old fossil from Italy, say researchers.
Osedax worms feed on whale skeletons on the seabed using root-like tissues to bore into and dissolve the bones.
Scientists from the Natural History Museum in London identified telltale borings in the fossil using a scanner.
The discovery suggests the worms were much more widespread throughout prehistoric oceans than thought.
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