Scratches are normal, Apple tells buyers

Let's hope that all the purchasers of the iPhone 5 like the distressed look: while users have been complaining of scuffs and chips, they've been told that it's all percently normal.

Twin Towers brought down by molten aluminum, says scientist

An international materials technology conference in San Diego has been given a new explanation for the explosions heard within the Twin Towers just before their collapse.

World's most accurate clock unveiled

Physicists at the National Institute of Standards and Technology (NIST) have built the world's most accurate clock.