Archive: 05/26/2010

Major step ahead for cryptography

Imagine you could work out the answer to a question, without knowing what the question was. For example, suppose someone thinks of two numbers and then asks another person to work out their sum, without letting ...

May 26, 2010 4.8 / 5 (8) 1 | with audio podcast

Little African grebe becomes extinct

A tawny water fowl that lived in a tiny corner of Madagascar is extinct, wiped out by an introduced species of predatory fish and by nylon fishing nets, conservationists reported on Wednesday.

May 26, 2010 4.8 / 5 (4) 3