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Our understanding of nature's deepest reality has changed radically, but almost without our noticing, over the past 25 years. Transcending the clash of older ideas about matter and space, acclaimed physicist Frank Wilczek explains a remarkable new discovery: matter is built from almost weightless units, and pure energy is the ultimate source of mass. He calls it "The Lightness of Being." Space is no mere container, empty and passive. It is a dynamic Grid, modern ether, and its spontaneous activity creates and destroys particles.

Here is the story of Klara, an Artificial Friend with outstanding observational qualities, who, from her place in the store, watches carefully the behavior of those who come in to browse, and of those who pass on the street outside. She remains hopeful that a customer will soon choose her. Klara and the Sun is a thrilling book that offers a look at our changing world through the eyes of an unforgettable narrator, and one that explores the fundamental question: What does it mean to love?

Recently graduated from Harvard University, Michelle Kuo arrived in the rural town of Helena, Arkansas, as a Teach for America volunteer, bursting with optimism and drive. But she soon encountered the jarring realities of life in one of the poorest counties in America, still disabled by the legacy of slavery and Jim Crow. In this stirring memoir, Kuo, the child of Taiwanese immigrants, shares the story of her complicated but rewarding mentorship of one student, Patrick Browning.

Melody Shee is alone and in trouble. At 33 years old, she finds herself pregnant with the child of a 17-year-old Traveler boy, Martin Toppy, and not by her husband, Pat. Melody was teaching Martin to read, but now he's gone, and Pat leaves, too, full of rage. She's trying to stay in the moment, but the future is looming, while the past won't let her go. It's a good thing that she meets Mary Crothery when she does.

From the New York Times best-selling author of Seven Brief Lessons on Physics, The Order of Time, and Helgoland, a closer look at the mind-bending nature of the Universe. What are the elementary ingredients of the world? Do time and space exist? And what exactly is reality? Theoretical physicist Carlo Rovelli has spent his life exploring these questions. He tells us how our understanding of reality has changed over the centuries and how physicists think about the structure of the Universe today.

Sully is staring down a VA cardiologist's estimate that he has only a year or two left, and it's hard work trying to keep this news from the most important people in his life: Ruth, the married woman he carried on with for years...the ultra-hapless Rub Squeers, who worries that he and Sully aren't still best friends...Sully's son and grandson, for whom he was mostly an absentee figure (and now a regretful one).

Physicists have been exploring, debating, and questioning the general theory of relativity ever since Albert Einstein first presented itin 1915. Their work has uncovered a number of the universe's more surprising secrets, and many believe further wonders remain hidden within the theory's tangle of equations, waiting to be exposed. In this sweeping narrative of science and culture, astrophysicist Pedro Ferreira brings general relativity to life through the story of the brilliant physicists, mathematicians, and astronomers who have taken up its challenge.