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When you dive into the sea, do you ever wonder what's down there, beneath you, poised to take an inquisitive bite? Author of Jaws Peter Benchley and film director Steven Spielberg certainly did, for below the waves lies a world we neither see nor understand; an alien world where we are but the briefest of visitors. The Shark that Walks on Land uncovers tales of ancient and modern mariners, with stories of sea serpents, mermaids and mermen, sea dragons, and the true identity of the legendary kraken. But this book contains more than just a medley of maritime myths and mysteries for marine biologists; it celebrates wonderful discoveries by blending the unknown and the familiar in an entertaining miscellany of facts, figures and anecdotes about the myriad creatures that inhabit the oceans. Along the way we meet the giants, the most dangerous, the oddballs and the record breakers – and the shark that really does walk on land!
A wonderful and entertaining miscellany of facts, figures and anecdotes about the myriad creatures that inhabit the oceans.
'. . . history is my passion. Writing it, teaching it, reading it fills the days and years of my life. In all passions, there is pain and pleasure.' Greg Dening In this collection of writings-some new, some previously published-Greg Dening reflects on his experiences both as a historian and a participant in history. Performances brings together the personal and the scholarly, demonstrating how our lives are saturated with history, how we can only understand our present through our consciousness of the past and how in thinking about the past we mirror the time and place of our own living. Each of these essays can be enjoyed on its own, yet throughout them all run the common themes of the intricate relationships between past and present, the personal and the political, historical research and the imagination. Dening writes with elegance and candour, inviting readers to reflect upon their own participation in the 'performance' of history.
Bobby wants a shark for his birthday, so he is disappointed when his parents get him a puppy instead--but this puppy turns out to be a bit of a shark herself.
This is a fictionalised account of the sad events leading up to the demise of Captain James Cook. This book covers Cook's last voyage of discovery to the Pacific and his death at the hands of the Hawaiians.
Sixteen small but MIGHTY sharks battle it out in a huge fight! Who will be the small shark champion? This nonfiction reader compares and contrasts 16 small but savage sharks. Readers will learn about each shark's unique features, behavior, and more. Then, compare and contrast the battling animals before finally discovering the winner! This nonfiction series is full of facts, photos, and realistic illustrations. It includes a range of mammals, sea creatures, insects, and dinosaurs to satisfy all kinds of animal fans.
Captain Bligh and the mutiny on the Bounty have become proverbial in their capacity to evoke the extravagant and violent abuse of power. But William Bligh was one of the least violent disciplinarians in the British navy. It is this paradox which inspired Greg Dening to ask why the mutiny took place. His book explores the theatrical nature of what was enacted in the power-play on deck, on the beaches at Tahiti and in the murderous settlement at Pitcairn, on the altar stones and temples of sacrifice, and on the catheads from which men were hanged. Part of the key lies in the curious puzzle of Mr Bligh's bad language.
Abstract: Aquatic and terrestrial environments exhibit physical disparities that introduce contrasting challenges to vertebrate locomotion. Extant vertebrates with amphibious capabilities provide valuable study systems to test functional hypotheses on how organisms modulate their locomotion between environments. One species of cartilaginous fish, the epaulette shark (Hemiscyllium ocellatum), moves between aquatic and terrestrial environments and uses a diagonal sequence “walking-trot” that resembles the locomotion of salamanders, a common model for the water-land transition in vertebrate evolution. I quantified the locomotor kinematics of H. ocellatum while in a fully submerged and partially emerged environment, and then compared the findings to published data on salamander walking to investigate the role of fins vs. limbs when performing a similar gait. These data suggest that the epaulette shark relies primarily on appendage-based locomotion across both environments and produces ~50–70% more angular movement in the pelvic girdle compared to the pectoral girdle. The pelvic fin produces ~15–25% more angular movement compared to the pelvic fin while they are being adducted. The pelvic fin also adducts more when in a partially emerged condition, while the pectoral fin tends to show greater abduction when partially emerged out of water compared to fully submerged trials. Hemiscyllium ocellatum exhibits minimum lateral bending between the girdles and a lower range of girdle angles when compared to salamander walking on land which may limit stride length and, therefore, forward movement across environments. Yet, H. ocellatum retains a duty factor representative of a walking gait between environments. In this study, I have quantified differences in the roles of fins vs. limbs in a diagonal sequence gait and describe how the biomechanics of H. ocellatum may be a more appropriate model for studying the locomotor capabilities of stem tetrapods that still resemble their more fish-like ancestors.
Take a fun, fact-filled trip back to Earth as it was 430 million years ago. Then, watch as continents drift and oceans take shape. Watch out (!) as fish get toothier, plants stretch skywards and bugs get bigger. Soon fish get feet and four-legged creatures stalk the planet. Here’s the story of Earth in conversational text, informative illustrations, and humorous cartoons. Complete with time line, pronunciation guide, glossary and index.