Hey kitty, dogs drink like cats

Physics of lapping crosses species boundary

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There may be some outraged sofa clawing and houseplant destruction over this, but a complex system of lapping liquids described last year for cats turns out to be the way dogs drink too. High-speed video using X-rays now shows that dogs get liquids into their mouths by relying on the way liquid adheres to their tongues and the inertia of liquid columns, says evolutionary biologist A.W.