What SF can do better than anything else is show us the range of our possible futures, and what we can do to realize the good ones and avoid the nasty ones.

Usually if nobody hates a piece, nobody loves it, either; and a magazine which sets itself the goal of provoking thought is not doing its job if everybody agrees with what it does.

Its limitations are those of the physical universe: it won't let you play with some really wild ideas that aren't possible, but are fun to speculate about.

I think the rising and falling popularity of areas like hard SF and far-future SF is, to a considerable extent, the same as any other fashion.

Discovering traces of life on Mars would be of tremendous scientific significance: The first time that any signs of extraterrestrial life had ever been detected. Many people would also find it heartening to learn that we're not entirely alone in this vast, cold cosmos.

I'm a technology person, but I'm not a science person.

The news of the discovery spread fast all over the country, and inquisitive enquiries mingled with congratulations from this moment became the daily programme.

Work by Maria Blasco, Calvin Harley, Michael Fossel, Woodring Wright and Shay and Ronald Depinho in particular are of interest but there are literally thousands of articles relating to telomerase, telomeres and the biology behind it.