Dogs at war with fungus

The fungus that some dogs carry in their nose evolves within the dog's nose. The genetic changes indicate adaptation of the fungus to the dog. That's also of importance for humans, since infection with this fungus can be ...

Scientists find oldest dinosaur—or closest relative yet

Researchers have discovered what may be the earliest dinosaur, a creature the size of a Labrador retriever, but with a five foot-long tail, that walked the Earth about 10 million years before more familiar dinosaurs like ...

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