Gregory Benford

Our moon was born too small to harbor life. It came from the collision of a Mars-sized world into the primordial Earth. From that colossal crunch spun a disk of rocks that condensed into a satellite. ”

Science would lead you to a more interesting life than something else. ”

The common liberal orthodoxy that living close to the land leads to eco-awareness is historically naive, considering that Mesopotamia, northern Africa, and the Mayan civilization were ruined by people who had lived there quite a long while. ”

DNA sequencing opens vast ethical issues. We shall be able to know who has defective genes. What will it mean when we can be sure we're not all born equal? Worked out, the implications will scare a lot of people. Insurance companies will not want to cover those with a genetic predisposition to illness, for example. Here lurk myriad lawsuits. ”

The simplest way to remove carbon dioxide, the main greenhouse gas, is to grow plants - preferably trees, since they tie up more of the gas in cellulose, meaning it will not return to the air within a season or two. Plants build themselves out of air and water, taking only a tiny fraction of their mass from the soil. ”

The Matrix itself is not some external evil, but rather an outcome of our own error, our karmic payoff of past actions. Not merely illusion, it is an allusion to a founding myth of our culture. ”

Genre pleasures are many, but the quality of shared values within an ongoing discussion may be the most powerful, enlisting lifelong devotion in its fans. ”

As fandom grew more variegated, genzines reflected a broadening of interests, carrying personal columns of humor and reflection, science articles, amateur fiction, stylish gossip, and inevitably, thoughtful pieces on the future of fandom. ”

In coastal waters rich in runoff, plankton can swarm densely, a million in a drop of water. They color the sea brown and green where deltas form from big rivers, or cities dump their sewage. Tiny yet hugely important, plankton govern how well the sea harvests the sun's bounty, and so are the foundation of the ocean's food chain. ”

Will searching for distant messages work? Is there intelligent life out there? The SETI effort is worth continuing, but our common-sense beacons approach seems more likely to answer those questions. ”