By Anne Eisenberg The New York Times

Three-by-five index cards, those hallmarks of research, may be fading away in these digital times, but the need to take notes endures.Human memory is as weak as ever, and people are still shoring it up by recording their observations, research...

Three-by-five index cards, those hallmarks of research, may be fading away in these digital times, but the need to take notes endures.Human memory is as weak as ever, and people are still shoring it up by recording their observations, research...