Virtual `avatars` may alter real-life experiences

Spending time immersed as a virtual character or avatar in a role-playing video game can alter your experience of reality and numb you to important real-life experiences, according to a new study.

Now, a simple blood test to detect Mad Cow disease

Researchers have suggested that a simple blood test could now detect a form of brain damage and Mad Cow disease.

Doubts cast over validity of Big Bang theory

Australian researchers say that the standing model for the origins of the universe, the big bang, needs to be rewritten.