Stellar scientists announced this week that they have spotted the youngest supernova remnant ever seen in the Milky Way. Time for us to retrace the hot life and violent death of a big star.[In Today's Knowledge]
The Hot New Supernova
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The problems of Pakistan may seem far away. But events in the Indus River Valley matter to the world. We'll show you why--via the maps, stats, and historical knowledge you need to make sense of the Islamic world's only nuclear-armed nation.[In Special Reports]
A Peek at Pakistan
We've measured the president's powers. We've seen what Congress can (and can't) do. Now we're taking you to court--to the Supreme Court. Because you need to know about America's third governmental branch: the federal judiciary.[In Special Reports]
Order of the Courts
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[In World Tour] Toddling through Mesopotamia Some say Iraq is democracy's greatest test. Others say it's a violent mess. A historian will say Iraq's the cradle of civilization. |
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[In Americana] How the Allies Prevailed in Germany What does it take to rebuild a war-torn nation, to fashion a democracy given only the remnants of dictatorship? |
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[In SciencePhiles] Some Stem Cell Science Without stem cells, embryos couldn't develop, and adults, unable to replenish blood and tissue, would soon die. |
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[In Almanac] Why Leaves Fall Most people think leaf loss follows from colder weather. Yet really, it's more a matter of light. |
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