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- The second planet from the sun, Venus, with its toxic overheated surface, has long been neglected by planetary mission planners. Lately, Earth's sister planet has taken center stage in one of the greatest quests.
- Astronomers have begun one of the most far-reaching efforts to study the cosmos. They are forging giant new telescopes, while marshaling vast computational power. These technologies are part of a historic quest: to peer into space and time, to find out how the universe gave birth to galaxies and planets, to discern the amazing world of gravity and test theories by Einstein and other scientists.
- Each and every day, whether we notice it or not, an endless current of change occurs without pause, flowing relentlessly on the river of time, through and around us. Surprisingly, we never see the vast majority of these vital processes. In fact we can't see them because these events happen much too quickly or too slowly for our human senses to perceive. Scientists are now opening new windows on this landscape, illuminating nature from the inner workings of atoms to the motions of the stars, from billionths of seconds to billions of years.
- Tornado-chasing scientists with an eye to better forecasting risk their lives to plumb the secrets of nature's most terrifying killer.