eNewsletter | oct 9th, 2017.

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Scientists Have Finally Discovered Proof That Our Brains Have a Waste Drainage System

How does the brain rid itself of waste products? Other organs in the body achieve this via a system called the lymphatic system. A network of lymphatic vessels extends throughout the body in a pattern similar to that of blood vessels. Waste products from cells, plus bacteria, viruses and excess fluids drain out of the body’s tissues into lymphatic vessels, which transfer them to the bloodstream.

Blood vessels then carry the waste products to the kidneys, which filter them out for excretion. Lymphatic vessels are also a highway for circulation of white blood cells, which fight infections, and are therefore an important part of the immune system.

Unlike other organs, the brain does not contain lymphatic vessels. So how does it remove waste? Some of the brain’s waste products enter the fluid that bathes and protects the brain – the cerebrospinal fluid – before being disposed of via the bloodstream. However, recent studies in rodents have also shown the presence of lymphatic vessels inside the outer membrane surrounding the brain, the dura mater.

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Researchers who change country produce more influential work

SCIENCE is an international affair. Researchers from different countries frequently collaborate with each other, a process made ever easier by the rise of electronic communications. Sometimes, they actually change country to do so. Marie Curie moved from Poland to France. Guglielmo Marconi moved from Italy to Britain. Nikola Tesla moved from Austria-Hungary to America.Those are famous historical examples, but these days such migration is commonplace.

Presumably, all the gadding about leads to better research. But scientists do not like to work on presumption, so two studies published in Nature this week have tested the idea. Both conclude that yes, it probably does.

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The Nobel Prize in Chemistry 2017

The Royal Swedish Academy of Sciences has decided to award Jacques Dubochet, Joachim Frank and Richard Henderson the Nobel Prize for Chemistry 2017 for "developing cryoelectron microscopy for the high-resolution structure determination of biomolecules in solution".

Scientific Background...

The Nobel Prize in Physics 2017

The Nobel Prize in Physics 2017 was divided, one half awarded to Rainer Weiss, the other half jointly to Barry C. Barish and Kip S. Thorne "for decisive contributions to the LIGO detector and the observation of gravitational waves".

Scientific Background...

Richard Thaler wins 2017 Nobel prize in economics

The American economist Richard H. Thaler is a pioneer in behavioural economics, a research field in which insights from psychological research are applied to economic decision-making. A behavioural perspective incorporates more realistic analysis of how people think and behave when making economic decisions, providing new opportunities for designing measures and institutions that increase societal benefit.

Scientific Background...

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