"Progress without pollution may sound utterly unrealistic, but businesses are putting green chemistry into practice," by using more ecologically benign chemicals, writes Scientific American.
Many technological hurdles on the road to building household robots have recently been cleared leaving one nagging question in the air—just what do we need them for?
"If Americans were to learn of wartime inequalities, the public would become more circumspect about future military action," writes Douglas Kriner after studying class inequalities in the army.
A new study suggests that the effectiveness of celebrity product endorsements is explained by positive emotions associated with a celebrity then transfered to the product being sold.
"The priest, like every human being, needs to love and be loved," say twelve Italian women who have written the Pope urging that priests be allowed to have intimate relationships.
Democracy, benefactor of the middle class, has become highly unstable in developing countries given the current economic climate which exaggerates society's class conflicts.
Chinese people are still suffering from the most gruesome biological warfare attacks in modern history. Judith Miller looks at Japan's "forgotten" biological crimes against China.
Might the Internet serve as a deterrent thanks to its ability to lay bare truths? Vet Patty Khuly comments on a video of the "most horrific scenes bullfighting has ever offered."
What is it about Foxconn, the factory in China which makes most of Apple's devices and has already shed thousands of its workers, that is driving so many of them to suicide?
Are non-verbal behaviours reliable in the detection of people with mal-intent? Sharon Weinberger says researchers are increasingly dubious of passenger screening programs.
Emanuel Derman says that people will do what they feel they have to do despite their own reservations to the contrary—Wall Street will be greedy and the Congress will grandstand.
After talking with thousands of ordinary Americans, R. Emmett Tyrrell, Jr. concludes they have arrived at a historic turning point—accepting that they must forego some entitlements.
Valuable climate change data collected every day by military satellites remains classified diminishing global health and security, writes Daniel Baker for the New York Times.
Instruction often assumes that students build knowledge sequentially, but what if it's much more haphazard than that? Science Magazine explains how video helps convey difficult ideas.
It's nuclear-armed and seems increasingly unstable yet we lack a contingency plan for a sudden collapse of the North Korean regime, warns The Economist.