Brad Wittwer

A startling proportion of the population, the existentially indifferent, demonstrates little concern for meaning in their lives.

A collection of studies shows that any HIV vaccine, while highly sought by doctors to battle the epidemic, would only be requested by some.

Psychologists link happiness with less small talk and more substantive conversation.

Despite the belief that happiness has remained constant in modern societies, recent research says otherwise, citing rising democracy and increased basic freedoms as the cause.

Those who experience nature through the windshield typically donate less toward conservation than those with no exposure to nature.

New research shows that consumers identify with and choose brands they see as the underdog.

After initially being denied an American visa due to journalistic ties to rebel fighters, Colombian journalist Hollman Morris is allowed entry into the U.S. to study at Harvard.

More about the different kinds of orphan crops that grow all over the world.

Despite the hype surrounding microfinance as an answer to solving world poverty, new research shows it isn't the savior economists envisioned.

New research acknowledges that money doesn't buy happiness all on its own purchasing power, but rather happiness comes indirectly from the higher status money provides.