The literature on product development continues to grow. This research is varied and vibrant,
yet large and fragmented. In this article we first organize the burgeoning product-…

The phytoremediation of metal-contaminated soils offers a low-cost method for soil remediation
and some extracted metals may be recycled for value. Both the phytoextraction of metals …

Over the past decade, the linkages between marriage and child well‐being have attracted
the attention of researchers and policy makers alike. Children's living arrangements have …

In contrast to the punctuated equilibrium model of change, this inductive study of multipleproduct
innovation in six firms in the computer industry examines how organizations engage in …

… In their revolutionary new book, Brown and Eisenhardt contend that to thrive in these volatile
conditions, standard survival strategies must be tossed aside in favor of an entirely new …

Important features of the self-concept can be located outside of the individual and inside close
or related others. The authors use this insight to reinterpret data previously said to support …

… Stuart Brown, the leading expert on play behavior in this country, … Brown has spent his
career conducting more than 6,000 "play … Brown explains, even the lowest creatures on the …

Happiness—a composite of life satisfaction, coping resources, and positive emotions—predicts
desirable life outcomes in many domains. The broaden-and-build theory suggests that …

Address correspondence and reprint requests to Daniel Foley, Room 3C-309 Bethesda
Gateway Building, National Institute on Aging, 7201 Wisconsin Avenue, Bethesda, MD …

This study examines the relative contributions of giving versus receiving support to longevity
in a sample of older married adults. Baseline indicators of giving and receiving support …