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Our brain continuously creates various representations of the space around us as a function of our on-going behaviour. A recent study on how back space is represented in patients suffering from spatial neglect underscores the distinction between motor and non-motor space.
A remarkable new book of photographs of vertebrate skeletons celebrates how evolution can adapt basic structures to extraordinarily diverse functions, writes Nigel Williams .
When human cells are stressed during G2, they are delayed from entering mitosis via a checkpoint mediated by the p38 kinase (1–5) , and this delay can be modeled by the selective activation of p38 with anisomycin (6, 7) . Here, we report, on the basis of live-cell studies, that 75 nM anisomycin...
The assembly of neurons into functional circuits requires a multitude of cellular recognition events. Recent work on the hypervariable Drosophila Dscam gene revealed how a vast number of cell adhesion proteins contributes to neuronal patterning.
Experiments in which one eye of a ferret is removed at birth show subtle effects on the development of visual cortex maps that are in agreement with those predicted by theory.
Recent studies of the Chlamydomonas bld10 mutant have revealed that the ninefold symmetry of the centriole is set by the length of the cartwheel spokes, which fixes the diameter, and thereby the circumference, of the centriole.
Segregation of sister chromatids to opposite spindle poles during anaphase is dependent on the prior capture of sister kinetochores by microtubules extending from opposite spindle poles (bi-orientation). If sister kinetochores attach to microtubules from the same pole (syntelic attachment), the...
Aging, or senescence, defined as a decline in physiological function with age, has long been a focus of research interest for evolutionary biologists. How has natural selection failed to remove genetic effects responsible for such reduced fitness among older individuals? Current evolutionary...
Developmental dyscalculia (DD) is a specific learning disability affecting the acquisition of school-level mathematical abilities in the context of otherwise normal academic achievement, with prevalence estimates in the order of 3–6% (1) . Behavioural studies show deficits in elementary...
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