Rita Hayworth, 1941. Photo via John Kobal Foundation/Getty Images We may receive a portion of sales if you purchase a product through a link in this article. Scent is an intimate experience.

1 Day ZGN -2.94% DJIA -0.11% S&P Mid Cap 400 -0.20% ...

After hours: March 24 at 6:40:00 p.m. EDT Loading Chart for ZGN ...

The price of tourists’ incivility, updates from Europe’s coastlines and more. The science behind efforts to postpone death is complex – but the key to living longer might be simpler than it seems.