True to its name, this Cancun and the Yucatan travel guide covers all the region's major sights and attractions in easy-to-use top 10 lists that help you plan the vacation that's right for you. This newly updated pocket travel guide for Cancun and the Yucatan will lead you straight to the best attractions these locations have to offer, from swimming with whale sharks to snorkeling with turtl…
Astonishingly exotic and utterly compelling, Vietnam is a country of breathtaking natural beauty with a unique heritage, where travel quickly becomes addictive. Eat, drink and shop til you drop in beautiful, ancient Hoi An; kite surf in Mui Ne; or visit the impressive pagodas and royal tombs of Hue; all with your trusted travel companion. Get to the heart of Vietnam and begin your journey no…
Ascend to the realm of the gods, Angkor Wat. Descend into hell at Tuol Sleng Prison. With a history both inspiring and depressing, Cambodia delivers an intoxicating present. Stand under the glimmering spires of the Royal Palace in Phnom Penh, trek the lush rainforest of the Koh Kong Conservation Corridor, or explore the floating village of Kompong Luong; all with your trusted travel companio…
NASA engineers at Marshall Space Flight Center, along with their partners at other NASA centers and in private industry, are designing and building the next generation of rockets and spacecraft to transport cargo, equipment, and human explorers to space. Known collectively as Deep Space Exploration Systems, the Space Launch System (SLS) rocket, the Orion spacecraft, and ground systems at Kenned…
Written in simple and accessible language, this nontechnical introduction to cosmology, or the creation and development of the universe, explains the discipline, covers its history, details the latest developments, and explains what is known, what is believed, and what is purely speculative. In addition, the author discusses the development of the Big Bang theory, and more speculative modern is…
The best leaders know how to communicate clearly and persuasively. How do you stack up?If you read nothing else on communicating effectively, read these 10 articles. We’ve combed through hundreds of articles in the Harvard Business Review archive and selected the most important ones to help you express your ideas with clarity and impact?no matter what the situation.
The significance of Garranes lies partly in the date of Lisnacaheragh, believed to have been built in the fifth century AD. That is early in the history of the Irish ringfort, the origins of which remain unclear. The evidence of specialist craftworking in metal, glass and enamel from Lisnacaheragh testifies to the importance of the site. The dis…
A relationship with technology is central to being human, but it is not well understood. Humans create technology and have done since the earliest times, and this is commonly taken as a sign of what distinguishes humanity from the sub-primates. Equally, though, our technologies create us, enabling the activities and experiences and forms of social organization that make us who we are. This in…
How does memory work? How do we understand language, and produce it so that others can understand? How do we perceive our environment? How do we infer from patterns of light or sound the presence of objects in our environment, and their properties? How do we reason, and solve problems? How do we think? These are some of the foundational questions that cognitive psychology examines. They are fou…
The focus of housing research is set by the apparent scaling of hous-ing problems: where problems congregate, so too does the research community. The collective gaze of that community has been on cities dur-ing recent decades. The urban processes that have caused inequalities – across housing, education, healthcare and other domains – are critically important and the …