Emerging powers press rich world on CO2 cuts

Brazil, South Africa, India and China called Friday on industrialized nations to step up their commitment to reduce greenhouse gas emissions at a key UN climate summit later this year.

Lack of free play among children is causing harm, say experts

Hovering helicopter parents who restrict their kids' unstructured play may actually harm, rather than help, children according to the latest issue of the American Journal of Play, a scholarly journal which has gathered a ...

Wisdom of crowds

In countries that lack financial records, how can we tell who is truly poor? An innovative study suggests: Ask the neighbors.

Crystals detect threats to national security

Using a crystal ball to protect homeland security might seem far-fetched, but researchers at Wake Forest University and Fisk University have partnered to develop crystals that can be used to detect nuclear threats, radioactive ...

The downside -- and surprising upside - of microcredit

Microcredit, which involves giving small loans to very small businesses in an effort to promote entrepreneurship, has been widely touted as a way to reduce poverty and stimulate economic growth. A multitude of both non- and ...

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