While the totalitarianism that provoked George Orwell into writing 'Nineteen Eighty-Four' seems to be passing into oblivion, his harrowing, cautionary tale of a man trapped in a political nightmare has had the opposite fate, and its relevance and power to disturb our complacency seem to grow decade by decade.

The three laws of Robotics: 1) A robot may not injure a human being or, through inaction, allow a human being to come to harm 2) A robot must obey orders given to it by human beings except where such orders would conflict with the First Law. 3) A robot must protect its own existence as long as such protection does not conflict with the First or Second Law. With these three, simple directives, Isaac Asimov changed our perception of robots forever when...

Millions of people visit xkcd.com each week to read Randall Munroe's iconic webcomic. His stick-figure drawings about science, technology, language, and love have a large and passionate following. Fans of xkcd ask Munroe a lot of strange questions. What if you tried to hit a baseball pitched at 90 percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long would humanity last? In...

"Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he's alive--and even if he could get word out, his supplies would be gone long before a rescue could arrive. Chances are, though, he...

At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredibly, an interstellar spacecraft.

A novella, and ten short stories, introduce us to the last man on earth; a man planning a funeral for his unsuspecting wife; and a man whose telephone rings inside his head-- with calls from his dead father.

Stephen Hawking's classic work has become a landmark volume in scientific writing, with more than nine million copies in forty languages sold worldwide. The intervening years have seen extraordinary advances in the technology of observing both the micro- and the macrocosmic worlds. These observations have confirmed many of Professor Hawking's theoretical predictions in the first edition of his book, including the recent discoveries of the Cosmic Background...

Not every gift is a blessing. Every morning, Melanie waits in her cell to be collected for class. When they come for her, Sergeant Parks keeps his gun pointing at her while two of his people strap her into the wheelchair. She thinks they don't like her. She jokes that she won't bite. But they don't laugh. Melanie is a very special girl. Emotionally charged and gripping from beginning to end, The girl with all the gifts is the most powerful and affecting...

In a future world where those between the ages of thirteen and eighteen can have their lives "unwound" and their body parts harvested for use by others, three teens go to extreme lengths to uphold their beliefs--and, perhaps, save their own lives.

"Offers witty, digestible explanations of topics in cosmology, from the Big Bang and black holes to quantum mechanics and the search for life in the universe"--