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Playing Tetris with protein nanocrystals

Published on July 21, 2021

New research by scientists from the VIB-VUB Center for Structural Biology (Belgium), the Radboud University (Netherlands), Institut de Biologie Structurale and The Institut des sciences de la Terre de Grenoble, ISTerre/OSUG (CNRS/IRD/Université Grenoble Alpes/Université Savoie Mont Blanc) (Grenoble) using cryo-electron microscopy now demonstrates that these protein crystal nuclei don’t have to work in isolation: the presence of nearby nuclei can help early-stage protein crystals find their ’shape’.

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India: origin of the flood that devasted Chamoli

Published on June 29, 2021

Networks of researchers, an alliance of experts from various disciplines and a series of international collaborations have identified the cause of the geological disaster that occurred in India in February 2021. More than 200 people were killed or reported missing, following an avalanche of rock and ice. What preventative measures can be put in place to ensure that such a disaster does not happen again?
On Sunday 7 February, in India, a torrent of water, rocks and ice gushed down the (…)

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Identifying nature-based transformations towards sustainability in the Alps

Published on January 07, 2021

Since its launch in June 2017, 42 researchers have been selected to join the Make Our Planet Great Again program. Among them, Ignacio Palomo, CNRS researcher hosted at the Alpine Ecology Laboratory (LECA - UMR CNRS-UGA-USMB) and coordinator of the PORTAL project which aims to identify transformative solutions based on nature to face climate change in the Alps. One of the first publications related to the project and to the work of the The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) appeared this December at the Proceedings of the National Academy of Sciences of the United States of America, and describes the need to tackle climate change and the conservation of biodiversity simultaneously under the framework of the post-2020 biodiversity targets.

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A star, eventually !

Published on November 13, 2020

It is a story many parents are hoping for: Imagine there’s a very young kid that seems like a real low-performer, but then it turns out that secretly it has its very powerful moments — such that the odds are pre?y good it will become a real star, eventually. In fact, this is very much what an international team of astronomers found when they examined the very young protostar IRAM 04191+1522 (IRAM 04191, in short).

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Astronomers capture rare images of planet-forming disks around stars

Published on April 30, 2020

An international team of astronomers including researchers from the Grenoble Institute of Planetology and Astrophysics ([IPAG->https://ipag.osug.fr / OSUG - CNRS, UGA), has captured fifteen images of the inner rims of planet-forming disks located hundreds of light years away. These disks of dust and gas, similar in shape to a music record, form around young stars. The images shed new light on how planetary systems are formed. The results were published on April 30 in the journal Astronomy (…)

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Zeroing in on baby exoplanets could reveal how they form

Published on November 19, 2019

Twenty-four years ago, Swiss astronomers Michel Mayor and Didier Queloz discovered the first planet orbiting a sun-like star outside our solar system – a milestone recognised by this year’s Nobel prize in physics. Today we know of thousands more ‘exoplanets’, and researchers are now trying to understand when and how they form.

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Plate tectonics: crustal recycling in the deep mantle would have started 3.3 billion years ago

Published on July 18, 2019

Ile des Bermudes An international team of scientists, led by geochemists from the Institute of Earth Sciences at the Université Grenoble Alpes (UGA), presented evidence of an early and unexpected start of crustal recycling in the deep mantle.
Global recycling of oceanic crust from the surface of Earth down to the deep mantle and then back to the surface is one of the major features of the plate tectonic regime, which makes our planet unique in the Solar system. Just when this (…)

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