Millions of years ago in the Cretaceous period, the mighty Tyrannosaurus rex--with its dagger-like teeth for tearing its prey to ribbons--was undoubtedly the fiercest carnivore to roam the Earth. Yet as What Bugged the Dinosaurs? reveals, T. rex was not the only killer. George and Roberta Poinar show how insects--from biting sand flies to disease-causing parasites--dominated life on the planet and played a significant role in the life and death of the dinosaurs. The Poinars bring the age of the dinosaurs marvelously to life. Analyzing exotic insects fossilized in Cretaceous amber at three major deposits in Lebanon, Burma, and Canada, they reconstruct the complex ecology of a hostile prehistoric world inhabited by voracious swarms of insects. The Poinars draw upon tantalizing new evidence from their amazing discoveries of disease-producing vertebrate pathogens in Cretaceous blood-sucking flies, as well as intestinal worms and protozoa found in fossilized dinosaur excrement, to provide a unique view of how insects infected with malaria, leishmania, and other pathogens, together with intestinal parasites, could have devastated dinosaur populations. A scientific adventure story from the authors whose research inspired Jurassic Park, What Bugged the Dinosaurs?? offers compelling evidence of how insects directly and indirectly contributed to the dinosaurs' demise.
Fourteen-year-old Sam Stellar and her cousin Paige have decided to spend the summer working at the Royal Tyrrell Museum of Palaeontology in Drumheller, Alberta, as part of the Summer Studies and Work Experience Program. While not the ideal scenario for a summer vacation, both girls try to make the best of it: Paige, a whiz with the computers in the IT department, has one eye on her work and the other on the adorable assistant helping out in the museum, while Sam, a wannabe detective (who has studied online), is convinced there’s a potential theft about to happen. Sure enough, Sam’s hunch proves correct, and a piece from a fossil goes missing. Determined to solve the crime and apprehend the culprit, Sam drags Paige along as her unwilling accomplice, convinced she can unravel the mystery, despite the fact that no one believes her hunches. As Sam closes in on the truth, things get ugly, as she finds herself kidnapped and threatened. Can Sam outwit her foe and save the museum?
Did a meteor kill off the dinosaurs? What is the theory of an impact winter? What can fossils tell us? This book explains the connection between science and natural phenomena and how science can be used to try to explain the dinosaurs' extinction.
The dinosaurs died out millions of years ago, but what made it happen? Was it a meteorite that hit the earth, or natural changes in the earth's climate?
What can long-dead dinosaurs teach us about our future? Plenty, according to paleontologist Kenneth Lacovara, who has discovered some of the largest creatures to ever walk the Earth. By tapping into the ubiquitous wonder that dinosaurs inspire, Lacovara weaves together the stories of our geological awakening, of humanity’s epic struggle to understand the nature of deep time, the meaning of fossils, and our own place on the vast and bountiful tree of life. Go on a journey––back to when dinosaurs ruled the Earth––to discover how dinosaurs achieved feats unparalleled by any other group of animals. Learn the secrets of how paleontologists find fossils, and explore quirky, but profound questions, such as: Is a penguin a dinosaur? And, how are the tiny arms of T. rex the key to its power and ferocity? In this revealing book, Lacovara offers the latest ideas about the shocking and calamitous death of the dinosaurs and ties their vulnerabilities to our own. Why Dinosaurs Matter is compelling and engaging—a great reminder that our place on this planet is both precarious and potentially fleeting. “As we move into an uncertain environmental future, it has never been more important to understand the past.”
This updated edition of one of our most popular series allows readers to explore science through the investigation of famous mysteries. Using scientific techniques and case studies to provide a variety of possible explanations, readers are encouraged to examine the evidence, consider the motives, and make their own decisions. Books include eyewitness accounts and photos juxtaposed with scientific technique and theory.
A young man Jeff Martin joins Starpol (the Star Police Force) and is sent to Space Patrol Ship Hunter 5 captained by an American, Chuck Grant. Jeff finds that all is not as it should be when he encounters the Shadow who is pointing a gun at him. When in pursuit of diamond thieves Hunter 5 arrives at Omega 2, a hitherto unexplored planet, Jeff and his French colleague Anna discover just what might have happened on Earth if the dinosaurs had not been wiped out. On a further mission to Planet Ka the crew find themselves in the strange land of the Kels, obliged to deal with their formidable leader, the Great Mother. (The sci-fi stories are developed from those in the popular Starpol English Reader Series).