News tagged with nervous system

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Scientists unveil the structure of myelin

New research has shed light on the way in which our nerves conduct electrical signals around our bodies. The structure of myelin, the layer of insulating fat surrounding nerve cells of vertebrates, has now been analysed in ...

dateJun 17, 2015 in Biochemistry
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Human ancestors had tentacles

The famous Vitruvian Man drawn by Leonardo da Vinci pictures the canon of human proportions. However, humans didn't become bilaterally symmetric suddenly. There are two main points of view on the last common bilaterian ancestor, ...

dateApr 23, 2015 in Archaeology & Fossils
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Evolution of the back-to-belly axis

Most animals have a dorso-ventral (back-to-belly) body axis, which determines for instance the localized position of the central nervous system, dorsal in humans, ventral in insects. Surprisingly, despite enormous morphological ...

dateMar 18, 2015 in Cell & Microbiology
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'Blue-green algae' proliferating in lakes

The organisms commonly known as blue-green algae have proliferated much more rapidly than other algae in lakes across North America and Europe over the past two centuries - and in many cases the rate of increase has sharply ...

dateFeb 26, 2015 in Environment
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