Gail Collins writes that although the science of birth control has advanced marvelously, America's ability to have a reasonable conversation about contraception is lagging.
Privacy concerns aside, the millions of dollars needed to maintain surveillance cameras would be better spent on beat cops, writes Steve Chapman at the Chicago Tribune.
Scientists have found that the brains of problem gamblers react more intensely to "near misses" than those of casual gamblers—possibly spurring them on to play more.
A German animal biologist Silvia Gaus says we should be killing the oil-soaked birds in the Gulf of Mexico. Doing so would be less painful in the long run than trying to clean them, she says.
If computerized trading is found to have accelerated yesterday's trading carnage on Wall Street, it may spark demand for tighter regulation of high-speed trading.
Abou Farman writes about the art of the "Persian dub" in movies of the 1970's where Western movies would get creative embellishments in dubbed translation.
Scientists have sequenced the Neanderthal genome, discovering it to be practically identical to that of humans. In fact, most humans can probably trace some of their DNA to Neanderthals.
Denialism about the nature of the AIDS virus is estimated to have killed many thousands of people. Should scientists should be held accountable?
Bruce Usher writes that China is thus far ahead of the U.S. in developing clean technology. But with swift action America can still win.
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.