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Africa's rejection of genetically modified food aid reflects a chasm of misunderstanding that is only exacerbated by exaggerated claims for the benefits of the technology.
Can studies of environmental influences on developing organisms provide the key to understanding the evolution of species and populations? A growing number of researchers think so. Jennie Dusheck reports.
You thought that all those e-mails, data and grant proposals on your computer were for your eyes only? Think again, says Declan Butler. Someone could be snooping on your every keystroke.
Replacement of grassland by shrubland, which is occurring on a large scale in the United States, is thought to lock up considerable amounts of carbon. This 'carbon sink' may be much smaller than previously estimated.
HIV cannot multiply in certain human cells unless it expresses a protein called Vif, the function of which has finally been revealed. It seems that it overcomes a human protein that would otherwise block viral replication.
Many different hormones control our weight and appetite. The discovery of another hormone, which suppresses appetite for up to 12 hours, may lead to a better understanding of this complex control system.
Semiconductor quantum dots could become the basis of the much-talked-about quantum computer. A single-electron 'turnstile' device is a promising way to read out the information being processed.
The Ca2+-ATPase is one of the best characterized of the pumps that move ions across cell membranes. The latest snapshot of the pump in another of its many conformations is a major step in understanding its dynamics.
With global population projected to reach nine billion by 2050, new ways must be found to increase agricultural yields while preserving natural habitats and biodiversity. The decisions we make now about food will affect our descendants for millennia to come, and this Collection of articles highlights the importance of planning for a sustainable future.
