Is the world gonna blow in 2012 If so how is it and if u cann give info?

don't worry dude, i believe that the only thing that'll happen in 2012 will be a huge climate change and the public freaking out that whole year.even the present day mayans don't believe the world will blow up in 2012.i've heard that the actaul date of when the world will blow up is oct. 13 in the year 4772