Lapatinib, it turns out, also inhibits the activity of a protein called the epidermal growth factor receptor, which has been found to be important for stem-cell proliferation.

ECONOMIST: Cancer therapy

If the G-quadruplex could be implicated in the development of some cancers, it might be possible, he said, to make synthetic molecules that contained the structure and blocked the runaway cell proliferation at the root of tumours.

BBC: 'Quadruple helix' DNA seen in human cells

Aid organizations are backing the move towards mobile banking considering the already widespread proliferation of cell phones in Haiti.

FORBES: Why Mobile Banking Will Take Off In Haiti

The proliferation of cell phones, iPods and Facebook brings a complicated challenge for parents, teachers and students: The constant exposure to technology and the Web amplifies opportunities for children to bully each other online.

CNN: After student's death, a weeklong look into bullying

With the proliferation of internet sites, cell phones, Facebook, YouTube, etc.

FORBES: Is Chris Rock Funny Enough to Say Who's Funny?