Résultats Éditeur "Tantor Audio" dans Sciences biologiques

Biogeography is the study of geographic variation in all characteristics of life - ranging from genetic, morphological, and behavioral variation among regional populations of a species, to geographic trends in diversity of entire communities across our planet's surface. From the ancient hunters and gatherers to the earliest naturalists, Charles Darwin, Alfred Russel Wallace, and scientists today, the search for patterns in life has provided insights that proved invaluable for understanding the natural world.

Master Beekeeper Frank Mortimer invites listeners on an eye-opening journey into the secret world of bees and the singular world of his fellow beekeepers. With a swarm of offbeat characters and fascinating facts (did that bee just waggle or festoon?), Frank the Bee Man delivers an informative, funny, and galvanizing book about the symbiotic relationship between flower and bee, and bee and the beekeepers who are determined to protect the existence of one of the most beguiling and invaluable creatures on earth.

Parker describes the discovery of tetrahydocannbinol (THC), the main psychoactive component of cannabis, and the further discovery of cannabinoid receptors in the brain. She explains that the brain produces chemicals similar to THC, which act on the same receptors as THC, and shows that the endocannabinoid system is involved in all aspects of brain functioning.

Racist pseudoscience is on the rise - fueling hatred, feeding nationalism, and seeping into our discourse on everything from sports to intelligence. Even the well-intentioned repeat stereotypes based on "science", because cutting-edge genetics are hard to grasp - and all too easy to distort. Paradoxically, misconceptions are multiplying amid today's unprecedented surge of research on human genetics. We've never had a clearer picture of who we are and where we come from, and the science, when accurately understood, is a powerful and definitive ally against racism.

In Regenesis, George Church and science writer Ed Regis explore the possibilities of the emerging field of synthetic biology. Synthetic biology, in which living organisms are selectively altered by modifying substantial portions of their genomes, allows for the creation of entirely new species of organisms. These technologies - far from the out-of-control nightmare depicted in science fiction - have the power to improve human and animal health, increase our intelligence, enhance our memory, and even extend our life span.

Mary Anning was only 12 years old when, in 1811, she discovered the first dinosaur skeleton - of an ichthyosaur - while fossil hunting on the cliffs of Lyme Regis, England. Until Mary's incredible discovery, it was widely believed that animals did not become extinct.

How much do you know about the meat on your dinner plate? Journalist Christopher Leonard spent more than a decade covering the country's biggest meat companies, including four years as the national agribusiness reporter for the Associated Press. Now he delivers the first comprehensive look inside the industrial meat system, exposing how a handful of companies executed an audacious corporate takeover of the nation's meat supply.

In this informative and highly entertaining account, intrepid science reporter Florence Williams sets out to uncover the latest scientific findings from the fields of anthropology, biology, and medicine. Her investigation follows the life cycle of the breast from puberty to pregnancy to menopause, taking her from a plastic surgeon's office, where she learns about the importance of cup size in Texas, to the laboratory, where she discovers the presence of environmental toxins in her own breast milk.

A Pocket History of Human Evolution brings us up-to-date on the exploits of all our ancient relatives. Paleoanthropologist Silvana Condemi and science journalist François Savatier consider what accelerated our evolution: Was it tools, our "large" brains, language, empathy, or something else entirely? And why are we the sole survivors among many early bipedal humans? Their conclusions reveal the various ways ancient humans live on today - from gossip as modern "grooming" to our gendered division of labor - and what the future might hold for our strange and unique species.

Ants number in the ten quadrillions, and they have been here since the Jurassic era. Inside an anthill, you'll find high drama worthy of a royal court; and between colonies, high-stakes geopolitical intrigue is afoot. Just like us, ants grow crops, raise livestock, tend their young and infirm, and make vaccines. And, just like us, ants have a dark side: They wage war, despoil environments, and enslave rivals - but also rebel against their oppressors.

When we see a bird flying from branch to branch happily chirping, it is easy to imagine they lead a simple life of freedom, flight, and feathers. What we don't see is the arduous, life-threatening challenges they face at every moment. Beaks, Bones and Bird Songs guides the listener through the myriad, and often almost miraculous, things that birds do every day to merely stay alive. Like the goldfinch, which manages extreme weather changes by doubling the density of its plumage in winter.

In this fun, illuminating book, cannabis journalist Amanda Siebert delves deep into the latest research to separate marijuana fact from fiction, revealing 10 evidence-based ways this potent little plant can improve your life. She speaks with some of the world's top researchers, medical professionals, and consultants to answer questions such as: Can cannabis help you get a full night's sleep? Does it aid in exercise and weight loss? Can it really cure cancer? She also offers practical advice for maximizing its benefits-including easy-to-follow, step-by-step instructions.

A naturalist who spent months at a time living on her own among wild creatures in remote jungles, Sy Montgomery had always felt more comfortable with animals than with people. So she gladly opened her heart to a sick piglet who had been crowded away from nourishing meals by his stronger siblings. Yet Sy had no inkling that this piglet, later named Christopher Hogwood, would not only survive but flourish.

The Panic Virus is a gripping scientific detective story about how grassroots radicals, snake-oil salesmen, and cynical journalists have perpetrated the biggest health-scare hoax of all time. It explores what happens when the media treats all viewpoints as equally valid, regardless of facts, from parents who are convinced that vaccines caused their children's autism to right-wing radicals who believe that climate change is a myth

Fifty years ago, a young astronomer named Frank Drake pointed a radio telescope at nearby stars in the hope of picking up a signal from an alien civilization. Thus began one of the boldest scientific projects in history, the Search for Extraterrestrial Intelligence (SETI). But after a half century of scanning the skies, astronomers have little to report but an eerie silence---eerie because many scientists are convinced that the universe is teeming with life.

How does the brain work? How different is a human brain from other creatures' brains? Is the human brain still evolving? In this fascinating book, Michael O'Shea provides a non-technical introduction to the main issues and findings in current brain research, and gives a sense of how neuroscience addresses questions about the relationship between the brain and the mind.

For most of us, the story of mammal evolution starts after the asteroid impact that killed the dinosaurs, but over the last 20 years, scientists have uncovered new fossils and used new technologies that have upended this story. In Beasts Before Us, paleontologist Elsa Panciroli charts the emergence of the mammal lineage, Synapsida, beginning at their murky split from the reptiles in the Carboniferous period, over 300 million years ago. They made the world theirs long before the rise of dinosaurs.

The Galápagos archipelago is often viewed as a last foothold of pristine nature. For 60 years, conservationists have worked to restore this evolutionary Eden after centuries of exploitation at the hands of pirates, whalers, and island settlers. This book tells the story of the islands' namesakes - the giant tortoises - as coveted food sources, objects of natural history, and famous icons of conservation and tourism. By doing so, it brings into stark relief the paradoxical, and impossible, goal of conserving species by trying to restore a past state of prehistoric evolution.

Last Chance Mustang is the story of Samson, a formerly free-roaming, still wild-at-heart American mustang that was plucked from his mountainous Nevada home and thrown into the domestic horse world, where he was brutalized and victimized. After years of abuse, Samson had evolved into a hateful and hated, maladjusted beast - until the day he found his way to a rural Illinois farm, an ill-equipped owner, and one last chance.

Emma Mitchell has suffered with depression - or as she calls it, "the grey slug" - for 25 years. In 2003, she moved from the city to the edge of the Cambridgeshire Fens and began to take walks in the countryside around her new home, photographing, collecting, and drawing as she went. Each walk lifted her mood, proving to be as medicinal as any talking therapy or pharmaceutical. In Emma's diary, she takes us with her as she follows the paths and trails around her cottage and further afield, sharing her nature finds and tracking the lives of local flora and fauna.