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    These great beasts, or “megafauna,” lived on every habitable continent and on many islands. With a handful of exceptions, all are now gone.What caused the disappearance of these prehistoric behemoths? No one event can be pinpointed as a specific cause, but several factors may have played a role. Paleomammalogist Ross D. E. MacPhee explores them all, examining the leading extinction theories, weighing the evidence, and presenting his own conclusions. He shows how theories of human overhunting and catastrophic climate change fail to account for critical features of these extinctions, and how new thinking is needed to elucidate these mysterious losses.Along the way, we learn how time is determined in earth history; how DNA is used to explain the genomics and phylogenetic history of megafauna—and how synthetic biology and genetic engineering may be able to reintroduce these giants of the past. Until then, gorgeous four-color illustrations by Peter Schouten re-create these megabeasts here in vivid detail.

    From the chaos of the Civil War to the simple beauty of the islands; from legendary revolutionaries to modest fisherfolk, every image has been exquisitely transformed and every page bursting with life. Using a combination of cutting-edge artificial intelligence technology and his own historical research, John Breslin has meticulously colourised these pictures with breath-taking attention to detail and authenticity. With over 250 photographs from all four provinces, and accompanied by fascinating captions by historian Sarah-Anne Buckley, Old Ireland in Colour breathes new life into the scenes we thought we knew, and brings our ancestors back to life before our eyes.