the plane’s engine running at low power, it’s producing air pollution. Engines can give out millions of tiny but harmful molecules (分子). What’s worse, with the power of sunlight, the pollution is a far ……

needs to find a less wasteful way of operating data centers.1. High power consumption and energy waste... to the output of 30 nuclear power plants.Furthermore, to ensure that data centers continue operating during ……

Researchers have identified high- and low-power body language. Spot which positions convey authority. (See answers in box.)Answers to the quizHigh-power: A, D, FLow-power: B, C, EA: Expansively ……

routinely follow the basic principles of energy conservation in buildings, using high-tech ventilating systems to heat and move the air around.Others are generating power from roof-mounted solar ……

because of its high efficiency in generating electrical power. China is developing so fast in so many... pollution, because it gives off low carbon dioxide while generating electricity, which contributes ……

view of stars. It is better than any other site on the planet thanks to its high altitude (海拔), low... on the planet thanks to its high altitude (海拔), low temperature, long periods of continuous darkness ……

pollution and weather.Green: ☆☆☆☆☆Cheap: ☆☆Power: ☆9. CoalThe major advantage of coal..., LiveScience, published its list of the top 10 power sources that will run our world in the 21st ……

of the Harbin-Dalian high-speed railway program, said low temperatures could damage the rail track (铁轨). Ice... systems.It can work in temperatures as low as -39.9 C in winter and as high as 40 C in summer. The line ……

team study body language, particularly what they call “high-power” and “low-power” poses. High-power... are doing high-power poses when they lean back in their chairs, put their hands behind their heads ……

.The system can absorb low-temperature heat energy in the air and turn it to high-temperature heat energy...A worker takes a picture of Haiyang Nuclear Power Plant in Haiyang, Shandong province in 2015. ICA ……

. Due to low wind speeds and high humidity, the smog lasted for several days, said Beijing Municipal... cubic meter in parts of Beijing, a record high, according to the Beijing Municipal Environmental ……

time.Cuddy and her team study body language, particularly what they call “high-power” and “low-power... to stressful situations like speaking in class,” Cuddy told CNN.“High-power” refers to the act of taking ……

choice. Wu Lina: Keeping in mind the shortage of other resources, nuclear power can produce a high....YesZhou Yanqiao: Developing nuclear power is quite economical (节约的). Nuclear plant operations ……

Air pollution is *contamination of the indoor or outdoor environment by any chemical, physical..., according to the World Health Organization.The major sources of outdoor air pollution are transportation ……

A TWO-mile-high (3.2-kilometre-high) "brown haze" of human-generated soot and greenhouse gases... in vehicles, industries and power stations, and emissions from millions of inefficient cookers ……