Stress hormones may indirectly promote the spread of cancer in the body by hurting the immune system's anti-tumor mechanisms and encouraging new blood vessels to form.
The recent case of a Tennessee woman who sent her 7-year-old adopted Russian child back to Moscow is becoming a test for the international adoption vetting process, writes Daniel Wood.
Scientists studying a neurodevelopmental disorder called Williams syndrome report that children with the disease seem not to form racial stereotypes.
The number of large earthquakes in Southern California and Baja California has increased significantly in 2010, and scientists are thus far unable to explain why.
Studies of the natural waterproof adhesives used by marine creatures like mussels and sea worms may help scientists develop glues that can be used inside the human body.
"There is huge potential for iPad apps (or any other apps for that matter) to become the books of the 21st century." writes Marion Menaker.
Poorly rendered female characters proliferate in crime novels because their authors are lazy, writes novelist Christopher Rice. He lists four clichés that come up again and again.
How can we make sure that the technology behind digital medical records actually does all the things that advocates believe is possible? Jacob Goldstein writes that we must pay attention to how they're designed.
The commercial future of solar energy may have gotten a big boost. Researchers have solved two major problems that had been hampering the efficiency and affordability of solar cells.
In Eastern Europe, "the open discussion of a tragedy represents a revolutionary change," writes Anne Applebaum of reaction to the plane crash Saturday that killed members of the Polish government.
Michael Lind thinks that changing immigration policy shouldn't be considered as a way to address projected Social Security and Medicare budget deficits.
New protostars that will eventually be 10 times as large as the sun have been discovered in the massive Rosette molecular cloud, 5,000 light years away.
Samuel Culbert writes that companies should do away with regularly scheduled performance reviews because they are "fraudulent" and reinforce an employee's feelings of being dominated.
Many liberals want President Obama's coming Supreme Court nominee to be in the mold of Justice William J. Brennan Jr. But today's court may not be a place for a consensus builder.
Having analyzed the economics of fighting climate change, Paul Krugman concludes that the costs are manageable. "All we need now is the political will."