Those who oppose women in the infantry argue that they would change group dynamics, disrupt bonding and ultimately harm unit cohesion.

CNN: Will infantry men accept women as peers?

But in a country that thrives on group activities and collective bonding, as well as religion, Seoul is a natural home for mega-churches.

ECONOMIST: South Korean mega-churches

The magic, it turns out, is in that subatomic spray, as the group treated with an electron shower benefited from a polymerizing effect or, more plainly, a bonding of molecules just above the skin's surface that yielded a tough, protective nano-layer measuring between 50- to 100-billionths of a meter thick.

ENGADGET