In the first UN climate talks since Copenhagen, poor countries who will be most affected by climate change demanded a legally binding treaty.
WikiLeaks claims to be working to keep governments and secret organizations in check by publishing classified information, but who is checking up on WikiLeaks?
The Congressional panel investigating the financial crisis wants to know if Freddie Mac and Fannie May were well intentioned or ridden with greed.
Iran has announced its development of faster centrifuges for enriching uranium but the advance, while scientifically significant, may not alter the political landscape.
Scientists have found a couple of 1.9-million-year-old skeletons in a South African cave that may be "a Rosetta Stone for defining for the first time what the genus Homo is."
The intestinal microbes of Japanese people have enzymes that may be particularly suited for digesting the kind of seaweed that is commonly used in sushi rolls.
Americans love a redemption story, and Tiger Woods is likely to join a long list of brands that have come back refreshed after a stint in rehab.
"How should we begin to make amends for raising a generation obsessed with the pursuit of material wealth and indifferent to so much else?" asks Tony Judt.
Researchers have discovered a clue to how different creatures in the animal kingdom create the colorful and patterned body ornamentations that mark their species.
Male friendships are qualitatively different from female friendships. Men may not be physically or emotionally expressive, but they provide a lot of support for each one another with their presence.
More important than the size of government is the kind of authority it wields over its people -- and the degree to which it exercises arbitrary power, writes David Boaz.
Researchers have found a way to prevent and treat type 1 diabetes in mice by using a vaccine to boost the immune system's natural self-regulation.
As the campaign in Afghanistan wears on, there is a consensus in the Islamic world that a discernible American retreat from the region is in the works, writes Fouad Ajami.
Charismatic, forceful leaders have a tendency to produce volatile company performances, writes David Brooks. He imagines an alternate executive model: the "humble hound leader."
Extensive research over the past 40 years shows that sleep deprivation is a quick, inexpensive and effective treatment for depression. So why isn't this fact more well known?