LEAH:The world has just changed, reality is not what we think. NARRATOR:'Welcome to the plot of Dennis Kelly's 'DNA'. MARK:Someone pegged a stone at him. Not to hit him, just for the laugh.

They murder each other, did you know that? NARRATOR:'And evil Chimps. These are some of the themes of DNA. NARRATOR:'After a bullying incident goes wrong, the ties which bind a group of teenagers ...

Each of us has enough DNA to reach from here to the sun and back, more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus? Histones are a ...