Work & careers
Plants in offices increase happiness and productivity
   paper published on Monday, which says workers perform better when
   household plants are added to workplaces.
   were 15% more productive when "lean" workplaces are filled with just a
   surroundings are better workers.
   In the last year and a half, his colleagues have visited workplaces
   desk. If you are working in an environment where there's something to
   get you psychologically engaged you are happier and you work better,"
     * Work & careers
     * Happiness indices
Surprise! Mathematical model reveals unexpected findings on happiness
       happiness
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