The American Past: A History of Contradictions

The American Past: A History of Contradictions

Jill Lepore’s “These Truths” shows both the successes and failures that have made the country what it is today.

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Science Fiction Into Reality: Nobel Prize Honors Laser Work

Scientists from the United States, Canada and France won the Nobel Prize in physics Tuesday for revolutionizing the use of lasers in research, finding ways to make them deliver more powerful flashes of light and even to act like tiny tweezers.

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