Science news snippets

Evolution reversed in mice? Researchers have reconstructed a putative ancestral Hox gene. I’m not sure that this really counts as “reversing evolution”. Besides, does evolution have a direction? As you’d expect, much more on this at Pharyngula.

Tags record epic bird migration. I was always taught that the Arctic tern holds the bird migration distance record, but we have a new contender. These sooty shearwaters travel 40 000 km each year around the Pacific Ocean.