A sudden fall in the levels of the coenzyme NADPH within cells could have a central role in the process of aging.

As new technology makes it possible to perform experiments that were unimaginable a decade ago, Eve Marder argues that we can still learn from the past.

A statistical model is able to predict patterns of gene expression output in Drosophila embryos using only the cellular concentrations of transcription factors as input.

One-quarter of the Chondrichthyes have an elevated risk of extinction, mainly as a result of overfishing.

Neuroimaging provides novel insights into how the motor system represents sequences of actions by automatically separating their spatial and temporal features for flexible skill production.

Perturbations in the extracellular environment drive transitions from a highly stable memory state to an alternative phenotype in microorganisms.

Influenza transmission among ferrets correlates strongly with transmission among humans, so the ferret model for influenza transmission is a valid tool for pandemic potential in humans.

The evaluation of a dengue early warning system demonstrates its potential to assist dengue prevention and control up to three months ahead of future epidemics.

Genome sequencing reveals the evolution and epidemiology of Leishmania donovani in the Indian subcontinent, where epidemics have caused up to 30,000 deaths per year.

A mimetic complex composed of at least 140 species of ants, wasps, spiders, true bugs and treehoppers, all with conspicuous golden bodies, has been discovered.