article_snippet: Study was carried out by scientists at Rockefeller University in New YorkRockefeller University in New YorkNew York.
highlights_snippet: Study was carried out by scientists at Rockefeller University in New York .
  
highlights_snippet: scientists at Rockefeller University in New York found worms would sometimes 'think' for scientists at Rockefeller University in New York .
  
highlights_snippet: If offered an odour, scientists at Rockefeller University in New York would sometimes - but not always - investigate .
  