Possible Clues:

• Archimedes's call of triumph
• Europium, rhenium and potassium -- one alloy
• Announcement of discovery from awful rake attached to multinational group
• Archimedean exclamation
• 'I've discovered it!'
• You smell, I say — a cry of sudden realisation
• Archimedes exclamation
• Victorian battle orders to duke — so take care
• Hear you stink with first letter from Archimedes
• 'I hear you smell' - a cry of discovery!