A subset of Alzheimer's cases may be caused by two copies of a single gene, new research showsNigerian journalist's arrest last week triggers criticism of worsening press freedomsTrump's strategist push AI to help conservatives, all you need to knowNutrition experts add traffic light health labels to famous food paintingsI have the largest penis in BritainRevealed: Bernard Hill's touching sevenBiden recognizes US Military Academy with trophy for besting other service academies in footballCoach Amorim vows to stay with Sporting Lisbon after winning another Portuguese leaguePamela Anderson goes makeSpain's Prado Museum confirms rediscovery of lost Caravaggio. Painting will be unveiled May 27