True to its name, DK Eyewitness Travel Guide: Top 10 Cuba covers all the island nation's major sights and attractions in easy-to-use "top 10" lists that help you plan the vacation that's right for you.
While at medical school in north China during the sec-ond Sino-Japanese war (1936–45), Professor Ma chose to specialise in traditional medicine. As a medical graduate in revolutionary China, he was then allocated a position teaching physiology in Peking Medical College (Beiyi Xueyuan ????), which allowed him ample time for reading the medical classics, a pursuit that he found suited him bette…
Uually, our emotions are strongly controlled. Therefore, we seldom experience situations of raw affect, where emotions simply overwhelm us. This is basically a good thing, because controlling our ancestral emotional urges helps us to respond more appropriately to most of the daily situational demands of our modern society. It is simply not acceptable to always show an emotional response i…
Behind all the food that we eat is a vast realm of unaccounted for interactions:the diversion of water from rivers; the extraction of nutrients from soil; thedischarge of pollutants to air and water; the exaction of labor to grow, manage,pick, and package; the release of carbon dioxide to transport and deliver; and soon. When we shine a light on these interactions it becomes clear that a 99¢ha…
In the oil and gas industry, technologies have been developed to address microbial-related issues such as oil field souring, microbiologically influenced corrosion, biofouling, and targeted measures for risk assessment and mitigation. Microorganisms have also benefited the oil sector through microbial-enhanced oil recovery and bioremediation of petroleum-contaminated environments. However, duri…
This book does not deal with all forms of dance equitably; it is primarily about the movements of classical ballet, not because of a judgment as to the inherent value or worth of that style of dance, but because of the relatively well defined and accepted “vocabulary” of movements and positions. Although there are variations in the style with which balletic movements are carried out by diff…
A personal word: many years ago, when we were first developing the United StatesHolocaust Memorial Museum, we struggled with the issue of how to end the perma-nent exhibit. We had come up with an appropriate beginning that would serve thefunction of taking visitors off the National Mall, taking them back what was thenfifty years in time, moving them a continent away and introducing them to a Eu…
In April 1933, at a small gathering at a meeting of the US National Committee of the International Scientific Radio Union (URSI), Bell Labs scientist Karl Guthe Jansky announced that he had detected 20.5 MHz (14.6 m) radio emis-sion from the Milky Way. Jansky used a novel directional antenna based on an invention by AT&T Bell Labs colleague, Edmond Bruce, that rotated every…
April 2020. It had begun as little more than a flicker on a news feed, a tiny spark in a media agenda that was already crackling with the electric charge of a world increasingly divided. But as the Covid-19 crisis began to take hold, with every new outbreak confirming its deadly horror, two opposing phenomena very quickly began to emerge. The first was a kind of global solidarity in…
The global Living Planet Index continues to decline. It shows anaverage 68% decrease in population sizes of mammals, birds, amphibians, reptiles and fish between 1970 and 2016. A 94% decline in the LPI for the tropical subregions of the Americas is the largest fall observed in any part of the world. Why does this matter? It matters because biodiversity is fundamental to human life on Earth, and…