>> ruthy stahl: yes, i am. ving trouble with my computer. >> whistler: i had a computer for ten years and enjoyed it, but it died. >> stahl: jane outlived her computer. at almost 100, she's done a lot of outliving. >> whistler: we were all bridge players. we'd play bridge and have dinner, and we had a lot of fun. >> stahl: have some of them died? >> whistler: they've all died. >> stahl: they've all died. >> whistler: every one. >> stahl: oh, my goodness. >> whistler: i'm the only one left. >> stahl: so what was it that got these people into their 90s... >> kawas: so you've never had a stroke. >> whistler: no. >> stahl: ...while their spouses, friends, and colleagues... >> kawas: never had hardly anything. >> stahl: ...dropped out along the way? >> kawas: what's your secret? >> whistler: i wish i knew. >> stahl: genes clearly contribute to longevity, says kawas, but they aren't everything. jane whistler's parents both died when she was young. >> kawas: well, whatever your secrets are, by being in the study, we're