> You are comparing the max loaded weight of the polo with the unloaded weight o...

		Cockbrand 8 months ago \| parent \| context \| favorite \| on: Air pollution fell substantially as Paris restrict... > You are comparing the max loaded weight of the polo with the unloaded weight of a dolphin. In this context, what is the air speed velocity of an unloaded dolphin? Especially compared to an unladen swallow?