Results 11 to 20 of about 185 (72)

Organic analysis of peridotite rocks from the Ashadze and Logatchev hydrothermal sites. [PDF]

open access: yesInt J Mol Sci, 2009
This article presents an experimental analysis of the organic content of two serpentinized peridotite rocks of the terrestrial upper mantle. The samples have been dredged on the floor of the Ashadze and Logatchev hydrothermal sites on the Mid-Atlantic ...
Bassez MP, Takano Y, Ohkouchi N.
europepmc   +4 more sources

Limits of life and the habitability of Mars: The ESA space experiment BIOMEX on the ISS [PDF]

open access: yes, 2019
BIOMEX (BIOlogy and Mars EXperiment) is an ESA/Roscosmos space exposure experiment housed within the exposure facility EXPOSE-R2 outside the Zvezda module on the International Space Station (ISS).
Alawi, Mashal   +9 more
core   +12 more sources

Mise en oeuvre des méthodes de la linguistique de corpus pour étudier les termes en situation d'innovation disciplinaire : le cas de l'exobiologie [PDF]

open access: yes, 2011
International audienceThe methods used in corpus linguistics are very relevant in order to analyze how terminology works within texts. The first part of the paper discusses this idea of relevance.
Condamines, Anne, Dehaut, Nathalie
core   +2 more sources

Phobos LIFE (Living Interplanetary Flight Experiment) [PDF]

open access: yes, 2019
The Planetary Society's Phobos Living Interplanetary Flight Experiment (Phobos LIFE) flew in the sample return capsule of the Russian Federal Space Agency's Phobos Grunt mission and was to have been a test of one aspect of the hypothesis that life can ...
Berger, Thomas,   +16 more
core   +1 more source

La pluridimensionnalité du concept. Approche terminologique du domaine de la spatiologie [PDF]

open access: yes, 2008
À partir de l’analyse de plusieurs termes se rapportant au domaine de la spatiologie, dans des langues aussi différentes que l’anglais et le français d’une part et l’arabe d’autre part, nous nous proposons de démontrer l’importance de la notion de ...
Baraké, Rima
core   +1 more source

Hydrostatic and osmotic pressure study of the hairpin ribozyme. [PDF]

open access: yes, 2006
The recent discovery of numerous catalytically active RNAs in various living species as well as the in vitro selection of a large series of RNA aptamers able to bind specifically various molecules such as metabolites and co-factors, emphasize the ...
Heams, Thomas   +4 more
core   +3 more sources

Implications of in situ calcification for photosynthesis in a ~3.3 Ga-old microbial biofilm from the Barberton greenstone belt, South Africa [PDF]

open access: yes, 2011
International audienceTiming the appearance of photosynthetic microorganisms is crucial to understanding the evolution of life on Earth. The ability of the biosphere to use sunlight as a source of energy (photoautotrophy) would have been essential for ...
Andreazza, Caroline   +19 more
core   +3 more sources

Current exobiology missions to Mars. Importance for geoscience and search of Life beyond Earth [PDF]

open access: yes, 2021
Relevantnost tématu bakalářské práce "Současné exobiologické mise k Marsu" je spojen s vědomím podobnosti některých procesů na Zemi a Marsu. Mars se, na rozdíl od planet Sluneční soustavy, alespoň částečně podobá naší planetě několika charakteristikami ...
Ovcharenko, Vladyslav
core  

Le “travail épique” de la science-fiction : les histoires du futur de Laurent Genefort [PDF]

open access: yes, 2023
À partir de la notion de “travail épique” (F. Goyet, Penser sans concept : fonctions de l’épopée guerrière, 2006), cet article postule une parenté fonctionnelle entre épopée et science-fiction, en étudiant en particulier trois romans de Laurent Genefort,
Bréan, Simon
core   +1 more source

Ni+ reactions with aminoacetonitrile, a potential prebiological precursor of glycine [PDF]

open access: yes, 2008
The gas-phase reactions between Ni+ (2D5/2) and aminoacetonitrile, a molecule of prebiological interest as possible precursor of glycine, have been investigated by means of mass spectrometry techniques.
Amunugama   +52 more
core   +4 more sources

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