Although The Elusive 'cure' May Be A

Science, We Are Repeatedly Told, Is The Most Reliable Form Of Knowledge About The World Because It Is Based On Testable Hypotheses. Religion, By Contrast, Is Based On Faith. The Term 'doubting Thomas' Well Illustrates The Difference.

It's Worth Remembering That All Technology Leaves A Footprint. For Example, Our Own Technology Is Leaving A Footprint In Terms Of Global Warming, Which Could Be Detected From A Long Way Away. One Assumes That A Very Advanced Civilization That Has Been Around Maybe Millions And Millions Of Years Would Have An Even Bigger Footprint That Might Extend Beyond Its Planet To Its Immediate Astronomical Environment.

The Secret Of Our Success On Planet Earth Is Space. Lots Of It. Our Solar System Is A Tiny Island Of Activity In An Ocean Of Emptiness.

Astronauts Have Been Stuck In Low-earth Orbit, Boldly Going Nowhere. American Attempts To Kick-start A New Phase Of Lunar Exploration Have Stalled Amid The Realisation That Nasa's Budget Is Too Small For The Job.

The Eerie Silence: Are We Alone In The Universe?