Johnny Orchard brings home a playful bear cub that soon becomes huge and a nuisance to the neighbors.

A NEW YORK TIMES BESTSELLER “An informed and entertaining guide to what science can and cannot tell us.” —The Wall Street Journal “Stimulating . . . encourage[s] readers to push past well-trod assumptions […] and have fun doing so.” —Science Magazine From renowned physicist and creator of the YouTube series “Science without the Gobbledygook,” a book that takes a no-nonsense app...(展开全部)

Are our lives meaningful, or meaningless? Is our inevitable death a bad thing? Would immortality be an improvement? Would it be better, all things considered, to hasten our deaths by suicide? Many people ask these big questions -- and some people are plagued by them. Surprisingly, analytic philosophers have said relatively little about these important questions about the meanin...(展开全部)

Quanta Magazine's stories of mathematical explorations show that "inspiration strikes willy-nilly," revealing surprising solutions and exciting discoveries. These stories from Quanta Magazine map the routes of mathematical exploration, showing readers how cutting-edge research is done, while illuminating the productive tension between conjecture and proof, theory and intuition....(展开全部)

The winners of the Nobel Prize show how economics, when done right, can help us solve the thorniest social and political problems of our day. Figuring out how to deal with today's critical economic problems is perhaps the great challenge of our time. Much greater than space travel or perhaps even the next revolutionary medical breakthrough, what is at stake is the whole idea of...(展开全部)

The winners of the Nobel Prize show how economics, when done right, can help us solve the thorniest social and political problems of our day. Figuring out how to deal with today's critical economic problems is perhaps the great challenge of our time. Much greater than space travel or perhaps even the next revolutionary medical breakthrough, what is at stake is the whole idea of...(展开全部)

By 2030, China's cities will be home to 1 billion people one in every eight people on earth. What kind of lives will China's urban billion lead? And what will China's cities be like? Over the past thirty years, China's urban population expanded by 500 million people, and is on track to swell by a further 300 million by 2030. Hundreds of millions of these new urban residents are...(展开全部)

By 2030, China's cities will be home to 1 billion people - one in every eight people on earth. What kind of lives will China's urban billion lead? And what will China's cities be like? Over the past thirty years, China's urban population expanded by 500 million people, and is on track to swell by a further 300 million by 2030. Hundreds of millions of these new urban residents a...(展开全部)

By 2030, China's cities will be home to 1 billion people - one in every eight people on earth. What kind of lives will China's urban billion lead? And what will China's cities be like? Over the past thirty years, China's urban population expanded by 500 million people, and is on track to swell by a further 300 million by 2030. Hundreds of millions of these new urban residents a...(展开全部)

斯蒂芬·赫克（Stefan Heck） 加利福尼亚大学圣迭戈分校认知科学博士、斯坦福大学符号系统学荣誉学士。斯坦福大学顾问教授，教授创新和资源经济学，专长为企业创新、资源经济学、再生能源、物流运输改良、跨境生产研究。 曾任麦肯锡公司董事、资深合伙人，领导了对半导体产业的研究，并成立麦肯锡全球清洁能源科技和可持续发展部门，为全球前100大科技、工业、营建、零售、能源企业担任顾问，也为美国与亚洲一些国家、城市提供政策咨询。 马特·罗杰斯（Matt Rogers） 耶鲁大学MBA，麦肯锡公司旧金山分部董事，曾任美国能源部资深顾问，领导了《复苏法案》的执行，负责管理3 500亿美元款项，专精于油电资源、再生能源，为全球石油业、能源业担任顾问超过20年，负责领导麦肯锡公司在全球能源供需与削减污染议题方面的工作。以优异的成绩毕业于普林斯顿大学。 保罗·卡罗尔（P...(展开全部)