* Cuts, scrapes and sprains are hazards common to farm life. Not for Clark. Growing tougher as he grows older, Clark's skin cannot be punctured, even by knives. High-caliber bullets only bruise him, if that. He's been electrocuted, blasted, shot, stabbed, pounded and crushed - all without the slightest twinge of pain. But when he looks at Lana walking by, he wishes his heart had the same invunerability. *Source: Back of card.