What we're up against -- Fifty million dead -- Time and space -- Friends in far places -- Near the seed vault -- Keys to Karachi -- War and peace -- From the phages of history -- Sulfa and the war -- Mold juice -- Tablets from tears -- The new pandemic -- The man in the blue Mustang -- Honeymoon -- Mating bacteria -- S is for Soviet -- The Navy boys -- From animals to humans -- The Norwegian salmon -- Closer to Sydney than to Perth -- A classless problem -- The stubborn wounds of war -- Counting the dead -- Clues in the sewage -- X is for extensive -- Too much or too little? -- Visa not required -- The dry pipeline -- New ways to do old business -- A three-hundred-year-old idea -- Spoonful of sugar -- Conflict inside the cells -- Security or service? -- One world, one health -- Bankers, doctors, and diplomats.