Scientists report that happiness is contagious, and that you may have complete strangers to thank for the smile on your face.
21306
Happiness is contagious
67672
Money can buy happiness
108637
The future is bright
57752
Can money buy you happiness?
48614
Singur erupts in joy
68688
Work week ends on a warm note
120533
Babies are a Blessing
132256
Scientists upbeat, as Big Bang experiment becomes successful
152890
Contagious cancer repairs own genetic mutations
72080
Historic face transplant brings friendship
114181
Attractress catches the eye
31592
Genes influence how we gaze at happy faces
53920
Those who believe, receive
134069
I'm leaving with a sense of satisfaction:
61987
``Good things are going to happen''
2472
Random acts of kindness:
95529
Disasters can be good for you