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Results 41 - 48 of 48.


Environment - 07.12.2020
Nature's contributions to people found to be in decline
Nature’s contributions to people found to be in decline
Over the past 50 years, declining biodiversity has put many of nature's contributions to people at risk.  This is the conclusion reached by fifteen leading international experts, including a French ethnoecologist 1 at the CNRS (French National Centre for Scientific Research).

Physics - 02.12.2020
A French Team Has Improved the Measurement of a Fundamental Physical Constant
A French Team Has Improved the Measurement of a Fundamental Physical Constant
The validation and application of theories in physics require the measurement of universal values known as fundamental constants. A team of French researchers 1 has just conducted the most accurate measurement to date of the fine-structure constant, which characterizes the strength of interaction between light and charged elementary particles, such as electrons.

Health - Pharmacology - 01.12.2020
Deciphering the energetic code of cells for better anticancer therapies
Deciphering the energetic code of cells for better anticancer therapies
A procedure that may help personalise anticancer therapies has just been developed by the CNRS, INSERM, and Aix-Marseille University scientists at the Centre d'Immunologie de Marseille-Luminy, in association with colleagues from the University of California San Francisco and the Marseille Public University Hospital System (AP-HM), with support from Canceropôle Provence-Alpes-Côte d'Azur.

Astronomy / Space Science - Computer Science - 19.11.2020
Machine learning: a breakthrough in the study of stellar nurseries
Machine learning: a breakthrough in the study of stellar nurseries
Artificial intelligence can make it possible to see astrophysical phenomena that were previously beyond reach. This has now been demonstrated by scientists from the CNRS, IRAM, Observatoire de Paris-PSL, Ecole Centrale Marseille and Ecole Centrale Lille, working together in the ORION-B 1 programme. In a series of three papers published in Astronomy & Astrophysics on 19 November 2020, they present the most comprehensive observations yet carried out of one of the star-forming regions closest to the Earth.

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.

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