Archaeologists have found evidence that as humans entered what we now refer to as the Upper Paleolithic Era, they started using a whole new toolset. The evidence suggests that major behavioral shifts also occurred. For example, humans started making arresting cave paintings and carving statuettes. Scholars refer to these changes as the Upper Paleolithic Revolution. Readers will learn how archaeologists use evidence to piece together what life was like during the Upper Paleolithic Era. Theories about the origins and development of language are also discussed, as are new discoveries about archaic human admixture with modern humans.
The use of painkilling drugs has become an epidemic, with an increasing number of prescriptions being written as well as illegal use of street drugs. Deaths from unexpected overdoses are followed by reports of opioids being added to various street drugs, in inconsistent amounts. It's hard to know from news reports just how dangerous opioids can be or who is using them. This text has primary-source evidence from doctors and thoughtful analysis from health experts and court cases, as well as personal viewpoints of people affected in their ordinary lives, helping students think critically about opioid use and abuse.
Platinum (Pt), a transition metal, was well-known in South America by metalworkers, long before Christopher Columbus crossed the Atlantic. Platinum was used in jewelry and ornaments, and valued because it did not tarnish like silver. The Spanish called this white metal platina, or little silver. Readers examine the many applications of platinum in industry, including its use as a catalyst in catalytic converters and in electrical components, making crucibles and containers, and making medicines to treat cancer. Platinums place on the periodic table is also investigated, as well as its many physical and chemical properties.
In this easy-to-follow guide, readers are given creative ways to earn money working with animals in rural, suburban, and urban areas, such as at dude ranches, parks, wilderness trails, farms, animal hospitals, marinas, stables, kennels, and animal rescue centers. Those who love working with animals discover they can find jobs at breeders, slaughterhouses, historic replica villages, and animal rehabilitation centers, and can work as dog handlers, bird watchers, nature guides, pet caregivers, animal couriers, and animal trainers, among other positions. This insightful volume provides teens with practical ways to make a business plan, set goals, and promote their entrepreneurial skills in building on their interests in working with pets and animals and parlaying them into a lifelong and profitable career. Besides hands-on money-making tips, readers learn the benefits of volunteering and being a part of citizen science and animal activism for biodiversity, environmental justice, and green groups.
There are two kinds of energy sources from nonrenewable resources: fossil fuels and radioactive energy sources. Your readers will learn about a variety of products made from nonrenewable resources such as clay. Students also learn about the effects of nonrenewable resources on the local ecology. They will discover that exploiting a resource raises its price (Hotelling's Rule), and because nonrenewable resources can be used up, it's important to spend wisely the profit earned by using these resources (Hartwick's Rule). Practical tips for making good choices about nonrenewables are also covered in this engaging book.
This readable biography of Lance Armstrong surveys his legendary cycling career as well as the details of his life outside of cycling. The son of a single mother and born in a run-down housing project, American athlete Lance Armstrong emerged from decidedly modest beginnings. Four decades later, Armstrong has established himself as not only one of the world's greatest and most successful athletes, but also as an activist for charitable causes. Through the Lance Armstrong Foundation, Armstrong supports cancer research and treatment while he serves as the ultimate inspiration for other athletes and cancer survivors. Lance Armstrong: A Biography provides a detailed treatment of Armstrong's life, from the lasting influences of his boyhood and the early years of his competitive training, to his battle with cancer, his divorce, and the birth of his fifth child during his second comeback to professional cycling. The book portrays him both as a champion athlete and a family man, and gives a candid assessment of his career, including Armstrong's less successful periods.
When you walk through any grocery store, there are all types of food nicely packaged and ready to take home and eat. When you need a quick meal, you may stop into a fast food restaurant and grab something delicious and fried. These quick, easy foods are often less expensive and easily accessible. However, many of these foods are heavily processed and full of preservatives and other chemicals. They are cheap to make and last a long time. In this engrossing book, readers will learn where these foods come from and the health consequences of a diet high in processed foods.
Biofuels are a much-needed sustainable energy source. Readers are introduced to this great source, which is plant and animal waste. Biofuel options, including biogas, ethanol, and biodiesel are fully explored. Related issues are also discussed, such as social and economic costs.
Although writing was long considered suitable only for men, there were some brave and clever women who defied the limitations cast upon their gender. Divided by chronological eras, this fascinating collection of biographies will enlighten readers about the women who have crafted the written word to record their surroundings, their imaginations, and their experiences. Also included are chapter notes, a glossary, a further reading section containing books and websites, and an index.
Food processing makes a broad assortment of foods available that most people could not otherwise eat. It enables people to eat certain foods year-round, including frozen and canned fruits, vegetables, and meat products. Processed foods and prepackaged meals are extremely convenient. But what unhealthy ingredients are contained in many processed foods? Some are made with trans fats, saturated fats, lots of sugar, large amounts of sodium, and food additives such as food coloring. Readers learn about the dangers of eating too much processed food, the unhealthy effects to their cardiovascular health, autoimmune system, and teeth, as well as the development of certain food allergies. Various strategies for making healthy meal choices will also be presented.
Explains the characteristics of copper, where it is found, how it is used by humans, and its relationship to other elements found in the periodic table.
HIV and AIDS are devastating and deadly diseases, but there are many ways to prevent contraction. There are also many ways to live a full life with a positive diagnosis. This informative guide explains the history of HIV and AIDS, and how treatments for the diseases has changed, both in North America and around the world. Readers will receive straightforward information on how the disease is contracted, what behaviors are low versus high risk, and the experience of getting tested. Expert information on handling a diagnosis and telling others will provide readers with fundamental knowledge.
Cobalt (Co) was discovered by Swedish chemist Georg Brandt in 1735. Readers learn that cobalt is a transition metal, and that it is ferromagnetic. Only cobalt, nickel, and iron (and some of their alloys) can permanently align their atoms and become a permanent magnet. Cobalt can be found in rocky ores in Africa and Canada. It is very active chemically and forms many compounds, including cobaltous and cobaltic salts. Cobalt is used as a coloring agent, in paints, glass, ceramics, and enamels. A radioactive isotope of cobalt, called cobalt-60, can be used as a tracer in industry to show where pipes are leaking, and in medicine by doctors as a radioactive dye to trace out a persons blood vessels in part or all of a persons body in helping them to diagnose many kinds of illness.
This book describes how processed foods get to the point that they are no longer healthy, natural food and how foods that are deep-fried put extra calories into human bodies that become obese and have health problems.
The identity of suburbia, so far as it can be ascribed one, is shifting and insecure, a borderline and liminal space. Dominant stereotypes have listed it as ‘on the margins’ beyond edges of cultural sophistication and tradition’ and the areas that make up ‘sprawl’. But in the twenty-first century this static view has to be modified. As is evident from this collection, suburban dwellers themselves have redefined themselves. This collection explores the range and complexity of twenty-first century responses to city suburbs, predominantly in Sydney. It draws on a range of approaches – from history to creative non-fiction and multi-media.
The Greenhorns are a community of more than 5,000 young farmers and activists committed to producing and advocating for food grown with vision and respect for the earth. This book, edited by three of the group’s leading members, comprises 50 original essays by new farmers who write about their experiences in the field from a wide range of angles, both practical and inspirational. Funny and sad, serious and light-hearted, these essays touch on everything from financing and machinery to family, community building, and social change.
This biography details Lady Gaga's life from all angles, documenting her family background; the events before and during her meteoric rise to success as a songwriter, singer, and performance artist; her deft use of social media; and her political commentary. Lady Gaga: A Biography details Lady Gaga's life from birth to 2011. Readers will learn about her personal background—where she was born, who her parents were, what her early school years as a "weird girl" with "rabbit teeth" were like—as well as her pre-fame years where she gained an education in music and "paid her dues" as a small-time professional in small performance venues. The many milestones of her wildly successful career so far are documented in detail, as are Haus of Gaga, the artistic collective that supports her performances; her ongoing activities as a performer; her presentation in couture and accessories; and her stated intentions for the future. This book will be an engrossing read for fans of Lady Gaga as well as anyone interested in popular culture or the entertainment industry. Its inclusion of chapter endnotes containing quotations and controversial points along with a bibliography of print and electronic resources make it an authoritative research tool for students as well.
Former Army MP Mercy Carr and her retired bomb-sniffing dog Elvis are back in Blind Search, the sequel to the page-turning, critically acclaimed A Borrowing of Bones It’s October, hunting season in the Green Mountains—and the Vermont wilderness has never been more beautiful or more dangerous. Especially for nine-year-old Henry, who’s lost in the woods. Again. Only this time he sees something terrible. When a young woman is found shot through the heart with a fatal arrow, Mercy thinks that something is murder. But Henry, a math genius whose autism often silences him when he should speak up most, is not talking. Now there’s a murderer hiding among the hunters in the forest—and Mercy and Elvis must team up with their crime-solving friends, game warden Troy Warner and search-and-rescue dog Susie Bear, to find the killer—before the killer finds Henry. When an early season blizzard hits the mountains, cutting them off from the rest of the world, the race is on to solve the crime, apprehend the murderer, and keep the boy safe until the snowplows get through. Inspired by the true search-and-rescue case of an autistic boy who got lost in the Vermont wilderness, Paula Munier's mystery is a compelling roller coaster ride through the worst of winter—and human nature.
The definitive guide to genetic bone disorders, now revised and expanded with glossy photographs and radiographs "Brilliantly written and produced and deserves to be on the shelves of all pediatric radiologists. It should also be available to geneticists, counselors, and pediatricians." --Radiology This updated and expanded fourth edition of Bone Dysplasias presents age-related radiographs, photographs and clinical guidelines for more than 250 rare constitutional skeletal diseases. Focusing on diagnostically essential imaging and clinical features, each chapter is supplemented with prognostic and therapeutic information, a guide to differential diagnoses, and a short list of the most relevant publications. Organized in accordance with the most recent International Nosology and Classification of Genetic Skeletal Disorders, this new Bone Dysplasias distills the insights of a small, world-class author team on diagnosis and clinical approaches to this most difficult class of disorders.
Vaccinations have been a contentious issue in recent years, particularly in North America, where parents have decided to forgo vaccinating their children due to potential health risks. According to health experts, this has led to an increase in potentially deadly diseases and an overall decrease in herd immunity. With so much fearmongering online about the potential deadly consequences of vaccinations, however, what information can we trust? This text provides primary source evidence from doctors and experts, along with scientific data, court cases, and the viewpoints of everyday people, in order to facilitate students own critical thinking about this important issue.
This readable biography of Lance Armstrong surveys his legendary cycling career as well as the details of his life outside of cycling. The son of a single mother and born in a run-down housing project, American athlete Lance Armstrong emerged from decidedly modest beginnings. Four decades later, Armstrong has established himself as not only one of the world's greatest and most successful athletes, but also as an activist for charitable causes. Through the Lance Armstrong Foundation, Armstrong supports cancer research and treatment while he serves as the ultimate inspiration for other athletes and cancer survivors. Lance Armstrong: A Biography provides a detailed treatment of Armstrong's life, from the lasting influences of his boyhood and the early years of his competitive training, to his battle with cancer, his divorce, and the birth of his fifth child during his second comeback to professional cycling. The book portrays him both as a champion athlete and a family man, and gives a candid assessment of his career, including Armstrong's less successful periods.
Before the Spanish-American War, the United States was a relatively isolated nation, but Cubas fight to gain independence from Spain garnered sympathy from America and the mysterious sinking of the US battleship Maine pushed the young nation toward war and into world affairs. Engaging narrative enhanced by excerpts from primary sources and images will enthrall students as they learn about the events that led to the war, the important battles and military leaders, the outcome, and the legacy it has today.
Archaeologists have found evidence that as humans entered what we now refer to as the Upper Paleolithic Era, they started using a whole new toolset. The evidence suggests that major behavioral shifts also occurred. For example, humans started making arresting cave paintings and carving statuettes. Scholars refer to these changes as the Upper Paleolithic Revolution. Readers will learn how archaeologists use evidence to piece together what life was like during the Upper Paleolithic Era. Theories about the origins and development of language are also discussed, as are new discoveries about archaic human admixture with modern humans.
Will Hobbs is known for his stories of the outdoors,interesting for boys and girls alike. Through his stories, readers share adventures with characters from different backgrounds, discover the beauty of the wilderness, and learn of the important choices to be made in life. Known for his realistic tone and style, his books include Changes in Latitudes, Down the Yukon, Jason's Gold, and Leaving Protection. This insightful biography includes observations on the three themes present in his books: renewal, adoption, and the hero's quest.
This will help us customize your experience to showcase the most relevant content to your age group
Please select from below
Login
Not registered?
Sign up
Already registered?
Success – Your message will goes here
We'd love to hear from you!
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.