You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: MR. BODY 
Clue: Fed by the hepatic portal veins, it weighs about a pound more in men than in women
liver

Category: SCIENCE 
Clue: This yellow element is found in gunpowder & matches & is used in vulcanizing rubber
sulphur

Category: MAGAZINES 
Clue: It was the first successful newsmagazine & it's still the best-selling

time