A ten year study of Ugandan chimps has documented violent territory struggles between rival camps, but what impresses researchers is the cooperation needed to carry out the attacks.
"The Supreme Court's ruling that advising terrorist groups to pursue their goals peacefully is 'material support' of their violent activities is wrongheaded," says an L.A. Times editorial.
"By prompting President Obama to suspend deep-water drilling in US offshore waters, the Gulf oil spill is pushing up the date at which the world's conventional oil production peaks," says the CSM.
"When does a passion for gadgets turn into an addiction with symptoms that include headaches and back pain?" asks the Independent. Scientists now study this very modern affliction.
That certain dolphin and whale species possess "self-awareness, suffering and a social culture" is a strong moral reason to finally halt the ongoing hunting of large marine life, says Al Jazeera.
"The United States is hopelessly dependent on credit. And like stopping other serious addictions, only one solution will work—go cold turkey. We should abolish credit," says The Atlantic.
Microsoft's new Xbox frill, Kinect, uses detailed sensing technology that could enable a host of practical applications from improved home security systems to hands-free medical files.
"Ten years ago people talked confidently of stopping Alzheimer’s disease in its tracks. Now, they realise they have no idea how to do that," says The Economist.
Dean Baker proposes ways to pay off the budget deficit that don't include cutting social security: among them, a financial speculation tax and allowing the sale of generic prescription drugs.
Internet comment sections are typically seen as a bastion of free speech, but have they outlived their importance? When do abusive and lazy comments override anonymous expression?
"The question is not, 'Are video games art?' The question is, 'Can artists express themselves through the video-game medium?'" says journalist and gamer Tom Bissell.
"Social science may suggest that kids drain their parents' happiness, but there's evidence that good parenting is less work and more fun than people think," says Bryan Caplan at The Wall Street Journal.
Should the government continue to give loans to students who attend for-profit colleges given their high dropout and loan default rates? Gary Becker and Richard Posner weigh in on the debate.
"NASA’s Kepler spacecraft has discovered a whopping 706 candidate planets beyond the solar system," says Science News. The find nearly doubles the amount of known planets outside our solar system.
Due to the country's one-child policy and a cultural preference for boys, "The Chinese Academy of Social Science estimates that by 2020, 24 million Chinese men will be unable to find a wife."