- Microbiology: Live to Divide Another WayBacterial cell division is classically thought of as symmetrical. Several species divide by polar budding, however, and mutations in the cell division machinery of Agrobacterium, Brucella, and Sinorhizobium trigger branching … [Read more]
- Cell Biology: A Collective MovementMigratory cells are exquisitely sensitive to gradients in concentrations of molecules that provide guidance cues, and in individual cells, localized signals produce directed migration. Cells sometimes migrate as a group, … [Read more]
- Psychology: What Would Jesus Do?During the past several election cycles in the United States, the association of religious views and voting preferences has been noted. This has led to claims that greater religiosity generates … [Read more]
- Physics: Approaching a SupermodelOptical lattices, constructed from counter-propagating laser beams and loaded with atoms a fraction of a degree above absolute zero, are slowly fulfilling their potential of simulating solid materials. One of … [Read more]
- Development: Developmental Dynamics UncagedTranscription factors are critical for proper gene regulation during development, but they have pleiotropic effects and dynamically regulate the spatial and temporal expression of many target genes. Because of the … [Read more]
- Chemistry: More Mercury for the MoneyAmalgam formation between silver and mercury has long been exploited on behalf of the silver, whether in facilitation of mining the precious metal, shaping it into jewelry, or embedding it … [Read more]
- Engineering: Calling All PlumbersSocietal water infrastructure is in dire need of rebuilding and modernization in consideration of economic as well as human safety concerns (see Caldwell, Editorial, Science, 21 October 2011). For example, … [Read more]
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