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Created in response to requests from longtime users, this addition to the acclaimed book, Lichens of North America, compiles updated and expanded keys for the ...
'In my line of work, knowing when to obey fear and when to ignore it is often the difference between life and death.'
David Ireland ...
66 million years ago, a ten-mile-wide object from outer space hurtled into the Earth at incredible speed and destroyed the dinosaurs, along with three-quarters of ...
