By creating the first theoretical model of a wormhole 75 years ago, Albert Einstein and Nathan Rosen allowed science-fiction writers to consider the idea of time travel, writes Dave Goldberg.
Northrop Grumman is testing a high-powered, lightweight laser that can be used by U.S. soldiers in combat settings. Use of lasers on the battlefield could change warfare significantly.
"When people wash their hands immediately after making a decision, they are less likely to rationalize its merits—possibly making them less content with the decision."
"By 2050, almost 70 percent of the world's estimated 10 billion inhabitants—or more than the number of people living today—will be part of massive urban networks."
If a desperate, last-ditch attempt to cap the Deepwater Horizon wellhead fails, environmental damage to the Gulf of Mexico may profoundly and permanently alter the area.
Some winemakers and enthusiasts believe that wine tastes better on so-called "fruit" days—those days in the lunar calendar when water and saps rise.
Brendan Kiley looks at the history, meaning, and practice of suicide. "For most people, the subject is so taboo it's hard to deal with—even among people who deal with suicide for a living."
"A growing body of evidence suggests that humans do have a rudimentary moral sense from the very start of life," writes Paul Bloom. "Some sense of good and evil seems to be bred in the bone."
Greece has plunged the euro into its worst crisis ever, and if economists are unable to bring discipline to the country there will be much more at stake than the fate of the currency.
Researchers are attempting to "define a second genetic code: one that predicts how segments of messenger RNA transcribed from a given gene can be mixed and matched."
Emily Bazelon writes that a citizen charged with a crime needs to be read their Miranda rights—even if they are charged with an act of terrorism.
Walt Mossberg provides a basic explanation of what cloud computing is, and what it might mean for us in the near future.
Paul Farmer and Partners in Health "have shown the world that it is possible to control diseases and to redress some of the underlying causes that have turned them into pandemics."
A Brooklyn lawyer is hoping to break new legal ground by offering a brain scan as evidence that a key witness in a civil trial is telling the truth.
For individual birds affected by the oil spill in the Gulf of Mexico, having a person clean the oil from their feathers may be their best chance of survival.