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Results 41 - 49 of 49.


Health - Life Sciences - 19.11.2020
Greater mosquito susceptibility to Zika virus fueled the epidemic
Greater mosquito susceptibility to Zika virus fueled the epidemic
The Zika virus has spread around the world over the last decade, causing millions of infections, some of which have been associated with congenital abnormalities and neurological disorders. Scientists from the CNRS, the Institut Pasteur, and the IRD 1 turned their attention to the main vector of the virus, the mosquito Aedes aegypti .

Health - Computer Science - 16.11.2020
How can we estimate the evolution of the reproductive number for Covid-19 in a better way?
A team of interdisciplinary researchers has demonstrated that convex optimization is an effective mathematical and numerical tool for a daily estimate of the evolution of the reproductive number for Covid-19, over time and across regions. Monitoring the spread of the Covid-19 pandemic is one of the major challenges of the global health crisis.

Physics - 09.11.2020
Kolmogorovian Active Turbulence of a Sparse Assembly of Interacting Marangoni Surfers
Publication by Laboratoire de physique in Physical Review X on June 22, 2020. Abstract Active matter, composed of self-propelled entities, forms a wide class of out-of-equilibrium systems that display striking collective behaviors, among which, the so-called active turbulence where spatially and time-disordered flow patterns spontaneously arise in a variety of active systems.

Environment - 09.11.2020
From green to orange, where does the diversity of cyanobacteria colours come from?
From green to orange, where does the diversity of cyanobacteria colours come from?
Cyanobacteria, which are often called blue algae, can actually adopt colours ranging from green to orange via pink, depending on the dominant photosynthetic pigment in the cells of particular species. Not all cyanobacteria, however, capture light in the same way: Prochlorococcus , for example, the most abundant cyanobacterium in the ocean, preferentially absorbs violet and blue wavelengths, while its cousin Synechococcus captures blue, green or both, depending on its pigment type.

Astronomy / Space Science - Physics - 06.11.2020
Has the hidden matter of the Universe been discovered?
Has the hidden matter of the Universe been discovered?
Astrophysicists consider that around 40% of the ordinary matter that makes up stars, planets and galaxies remains undetected, concealed in the form of a hot gas in the complexe cosmic web. Today, scientists at the Institut d'Astrophysique Spatiale (CNRS/Université Paris-Saclay) may have detected, for the first time, this hidden matter through an innovative statistical analysis of 20-year-old data.  Their findings are published on November 6, 2020 in Astronomy & Astrophysics .

Physics - Chemistry - 29.10.2020
Towards next-generation molecule-based magnets
Towards next-generation molecule-based magnets
Magnets are to be found everywhere in our daily lives, whether in satellites, telephones or on fridge doors. However, they are made up of heavy inorganic materials whose component elements are, in some cases, of limited availability.   Now, researchers from the CNRS, the University of Bordeaux and the ESRF (European Synchrotron Radiation Facility in Grenoble) 1 have developed a new lightweight molecule-based magnet, produced at low temperatures, and exhibiting unprecedented magnetic properties.

Astronomy / Space Science - 27.10.2020
Surprisingly mature galaxies in the early Universe
Surprisingly mature galaxies in the early Universe
When the Universe was only a tenth of its current age its galaxies experienced a growth spurt.  It was this period that the scientists in the ALPINE project 1 focused on when they used ESO's ALMA 2 telescope to carry out the first ever large survey of distant galaxies.  To their surprise, these galaxies observed in the early stages of their life were far more mature than expected.

Earth Sciences - 23.10.2020
Deep magma facilitates the movement of tectonic plates
A small amount of molten rock located under tectonic plates encourages them to move. This is what scientists from the Laboratoire de géologie de Lyon: Terre, planètes et environnement (CNRS/ENS de Lyon/Université Claude Bernard Lyon 1) have recently discovered. Their new model takes into account not only the velocity of seismic waves but also the way in which they are attenuated by the medium they pass through.

Materials Science - 23.10.2020
High-temperature, low carbon processes: the challenge for the new Canopée laboratory
High-temperature, low carbon processes: the challenge for the new Canopée laboratory
The CNRS, l'Université de Lorraine and Saint-Gobain Group signed, this Friday, October 23, 2020, the creation of the Canopée laboratory, dedicated to the study of materials and "systems" under extreme temperature conditions. The objective is to reduce the carbon footprint of high-temperature manufacturing processes.

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