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Does genetic modification lead to more and better crops? Or will it destroy the foundations of our food systems? French farmers and activists reap what they called an "illegal" plot of genetically modified rapeseed developed by the agribusiness company Monsanto. Robert Pratta/Reuters Two weeks ago, Monsanto announced the latest genetically engineered crop it hopes to bring to market: a soybean rejiggered to resist the herbicide dicamba.
Time is running out for NASA's stuck Mars rover Spirit as engineers prepare to make their final attempts to rescue the hard-luck robot from its Martian sand trap. Spirit spun its wheels extremely slowly Tuesday in yet another attempt to extricate itself from the wheel-deep sand it has been stuck in since May 2009. Engineers are studying the results of that drive to decide which of the few remaining options to try next. So far, nothing NASA has tried has worked to free Spirit . "Earlier drives in the past two weeks using wheel wiggles and slow wheel rotation produced only negligible progress toward extricating Spirit," NASA officials said in an update.
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