Risultati per "Americana" in Scienza

As a botanist and professor of plant ecology, Robin Wall Kimmerer has spent a career learning how to ask questions of nature using the tools of science. As a Potawatomi woman, she learned from elders, family, and history that the Potawatomi, as well as a majority of other cultures indigenous to this land, consider plants and animals to be our oldest teachers.

J. Robert Oppenheimer was one of the iconic figures of the 20th century, a brilliant physicist who led the effort to build the atomic bomb but later confronted the moral consequences of scientific progress. When he proposed international controls over atomic materials, opposed the development of the hydrogen bomb, and criticized plans for a nuclear war, his ideas were anathema to powerful advocates of a massive nuclear buildup during the anti-Communist hysteria of the early 1950s.

La Ruota di Medicina degli indiani d'America è la Ruota della Natura e racchiude in sé l'intera cultura e le tradizioni dei nativi americani: è la simbolica testimonianza della loro spiritualità, del rapporto vivo e vero che essi intrattengono da sempre con la natura. La Ruota di medicina ci fa scoprire che la natura non è un oggetto al nostro servizio, ma un sistema complesso e vivente che continuamente si trasforma, i cui equilibri dipendono anche da noi e dal nostro comportamento quotidiano nei suoi confronti.

When the Smithsonian’s Hall of Physical Anthropology opened in 1965 it featured 160 Andean skulls affixed to a wall to visualize how the world’s human population had exploded since the birth of Christ. Through a history of Inca mummies, a preHispanic surgery called trepanation, and Andean crania like these, Empires of the Dead explains how “ancient Peruvians” became the single largest population in the Smithsonian and many other museums in Peru, the Americas, and beyond.

If climate catastrophes like Hurricane Sandy seem to be on the rise, it’s for a reason. The likelihood of these extreme weather events are increasingly being tied to man-made global warming, mostly through overproduction of carbon dioxide. It’s no longer an abstract idea; it’s being felt locally, on every level. Climate Change and Extreme Weather gives you the tools to better understand what’s behind climate change, what might be in store during the coming decades, and how we can begin to reverse the detrimental effects mankind has had on the atmosphere.

Genetic engineering, which refers to the direct manipulation of DNA, became a reality in the 1970s. In this audiobook, we take a look at how far the field has come, starting with a revolutionary gene-editing tool called CRISPR that’s taking the research world by storm. We then examine how CRISPR and other approaches are being investigated to treat disease, the fantastic-sounding research being done in synthetic biology, controversial efforts in modifying crops and saving species, as well as the numerous ethical issues raised in these areas.

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One of the biggest discoveries in physics, the quest for the Higgs boson demonstrates the value of a good theory. In July 2012, a Higgs-like particle was found near the energies scientists predicted. Now, armed with better evidence and better questions, the scientific process continues. In this audiobook, we’ve gathered our best reporting to explain that process - the theories, the search, the discovery, and the ongoing questions.

This fascinating and highly accessible book presents fantastic but totally feasible projections of what your brain may be capable of in the near future. It shows how scientific breakthroughs and amazing research are turning science fiction into science fact. In this brave new book, you'll explore.

For decades, coal has been crucial to America's culture, society, and environment, an essential ingredient in driving out winter's cold, cooking meals, and lighting the dark. In the coalfields and beyond, Bob Wyss describes how this magical elixir sparked the Industrial Revolution, powered railroads, and built urban skylines, while providing home comforts for families.

For going on two decades, Scientific American’s “Ask the Experts” column has been answering reader questions on all fields of science. We’ve taken your questions from the basic to the esoteric and reached out to top scientists, professors, and researchers to find out why the sky is blue or whether we really only use 10 percent of our brains. Now, we’ve combed through our archives and have compiled some of the most interesting questions (and answers) into a series of books.

From increasingly severe storms to collapsing coral reefs to the displacement of Syrian citizens, in this audiobook we examine the effects of Earth’s changing climate on weather systems, ecosystems, and human habitability and what this means for our future.

This audiobook, Tomorrow's Medicine, looks at some of the more fascinating areas where technology that could transform health is being developed, including cybernetics, regenerative medicine, nanotechnology, and genetically tailored treatments. Although many of these advances may not be ready to treat humans for many years, some of them may someday profoundly change - and extend - our lives. As exciting as the possibilities are to extend both the length and quality of life, immortality - or at least agelessness - may be forever out of our reach.

Once dismissed as a mathematical curiosity, black holes are so strange they almost defy belief. Since their existence was confirmed, research into the nature of black holes has opened up new vistas in physics. In this audiobook, we examine some of the most fascinating discoveries about black hole formation and behavior, the new and evolving research in gravitational wave astronomy, theoretical possibilities such as wormholes, and much more.

Anxiety and depression are two of the most common conditions affecting mental health and overall quality of life, but there are tools for managing them. In this audiobook, we’ll explore how depression shows up in the brain, different manifestations of depression and anxiety, various talk therapies, technological innovations, lifestyle interventions, and more.

More than 50 years ago, John Coltrane drew the 12 musical notes in a circle and connected them with straight lines, forming a five-pointed star. Inspired by Einstein, Coltrane had put physics and geometry at the core of his music. Physicist and jazz musician Stephon Alexander returns the favor, using jazz to answer physics' most vexing questions about the past and future of the universe.

We humans are a strange bunch. We have self-awareness and yet often act on impulses that remain hidden. How did we get here? What is to become of us? To these age-old questions, science has in recent years brought powerful tools and reams of data, and in this audiobook, Becoming Human, we look at what this data has to tell us about who we are.

In this audiobook, The Human Odyssey, we explore the evolution of those characteristics that make us human. The first section looks at our family tree and why some branches survived and not others. Swings in climate are emerging as a factor in what traits succeeded and failed; meanwhile, DNA analyses show that Homo sapiens interbred with other human species, which played a key role in our survival.

From the colonial era through the mid-twentieth century, America's flocks played a key role in the nation's development. Furthermore, much consternation centered around the sheep the United States lacked, so that dependency on foreign wool became a full-blown crisis in wartime. But more than just providers of wool, sheep were valued for their meat, for their byproducts after slaughter, and even for their efficiency at lawn maintenance.

Before 1910 the American chestnut was one of the most common trees in the eastern United States. An important natural resource, chestnut wood was preferred for woodworking, fencing, and building construction, as it was rot resistant and straight grained. The hearty and delicious nuts also fed wildlife, people, and livestock.