Wilson: Insects essential to human life

Ant expert Edward O. Wilson, in Washington for National Pollinator Week, is warning extinctions in the insect world could threaten life as we know it.

What Happened Before the Big Bang?

New discoveries about another universe whose collapse appears to have given birth to the one we live in today will be announced in the early on-line edition of the journal Nature Physics on 1 July 2007 and will be published ...