To A Physicist Life Looks

An Argument Often Given For Why Earth Couldn't Host Another Form Of Life Is That Once The Life We Know Became Established, It Would Have Eliminated Any Competition Through Natural Selection. But If Another Form Of Life Were Confined To Its Own Niche, There Would Be Little Direct Competition With Regular Life.

Wheeler Hopes That We Can Discover, Within The Context Of Physics, A Principle That Will Enable The Universe To Come Into Existence "of Its Own Accord." In His Search For Such A Theory, He Remarks: "no Guiding Principle Would Seem More Powerful Than The Requirement That It Should Provide The Universe With A Way To Come Into Being." Wheeler Likened This 'self-causing' Universe To A Self-excited Circuit In Electronics.

Cancer Cells Come Pre-programmed To Execute A Well-defined Cascade Of Changes, Seemingly Designed To Facilitate Both Their Enhanced Survival And Their Dissemination Through The Bloodstream. There Is Even An Air Of Conspiracy In The Way That Tumours Use Chemical Signals To Create Cancer-friendly Niches In Remote Organs.

The Eerie Silence: Are We Alone In The Universe?

It May Seem Bizarre, But In My Opinion Science Offers A Surer Path To God Than Religion.