In outer space there are "ferocious" levels of radiation. Yet we still live on a "highly radioactive planet," says Prof. Marshall.

Who knew?

really makes you appreciate earth and makes you realize how fragile we are ... and how much we should try to protect our "mother" ... as without it, we will die instantaneously ... all of us, no matter Muslim, Christian, Atheist ... German, American, Conservative, Liberal ... rich or poor ...

We are in for a treat.