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But a hundred years ago, birds were seen as the best remedy for the weeds and insect pests that threatened the country’s food supply and cost farmers hundreds of millions of dollars every year. And in order to identify the precise impact that birds had on agriculture, a field called economic ornithology was born. According […] The post Economic ornithology appeared first on Marginal...

But unlike a full-grown T. rex, which would be about the size of a city bus, this dinosaur was more like the size of a pickup truck. The specimen, which is now listed for sale for $20 million at an art gallery in London, raises a question that has come to obsess paleontologists: Is it simply a […] The post The economics of dinosaur brand names...