Results 21 to 30 of about 214 (86)

Conserver pour rester terriens [PDF]

open access: yes, 2018
Depuis les premiers tubes de nourriture consommés lors des premiers vols spatiaux dans les années 1961 et 1962 jusqu’aux repas variés de la Station spatiale internationale, l’alimentation dans l’espace a constamment évolué. Elle est aujourd’hui à l’image
Maillet, Alain
core   +1 more source

La fabrique des extraterrestres [PDF]

open access: yes, 2012
Grâce à différentes stratégies discursives et médiatiques, Radio Ici et Maintenant joue un rôle dans la fabrication de la rumeur de l’existence des extraterrestres.
Poulain, Sébastien
core   +1 more source

Sedm důvodů pro nemožnost vytvoření univerzální definice života [PDF]

open access: yes, 2014
Although life and questions connected with its definition among traditional philosophical topics, at the beginning of the twenty-first century and after roughly two and a half thousand years of philosophical tradition no satisfactory ...
Vodička, Vladimír
core   +4 more sources

Buite-aardse rasionaliteit: Uitvlug in fantasie of grootste uitdaging ooit aan filosofie en teologie? [PDF]

open access: yes, 1996
Extra terrestrial intelligence: Escape in fantasy or greatest challenge to philosophy and theology ever? The concept of extra-terrestrial intelligence was first mooted by philosophers like  Aristotle and Lucretius as well as natural scientists like ...
A. J. Antonites
core   +2 more sources

Alien-Hypothese - Eine Analyse zum UFO-Phänomen [PDF]

open access: yes, 2022
Alien-Hypothese - Eine Analyse zum UFO-Phänomen, E93 - 228 p. - Neuss 2022 - see chapters of the maths (distribution-theory, probabilities etc.) in E91 - Piontzik: Wahrscheinlichkeiten in der Galaxie für Leben, Intelligenz und Zivilisation - E92 Piontzik:
Bruno Buike, Klaus Piontzik
core   +1 more source

The consequences for human health of stratospheric ozone depletion in association with other environmental factors

open access: yes, 2014
Due to the implementation of the Montreal Protocol, which has limited, and is now probably reversing, the depletion of the stratospheric ozone layer, only modest increases in solar UV-B radiation at the surface of the Earth have occurred.
de Gruijl, F. R   +6 more
core   +1 more source

To cross chemistry and biology [PDF]

open access: yes, 2001
Comment aborder la biochimie dans l'enseignement de la biologie au lycée ? Cet article propose une mise en perspective pour faire émerger de nouvelles pistes de recherche en didactique des sciences.
COQUIDE-CANTOR, Maryline   +1 more
core   +1 more source

Simulation der solaren Globalstrahlung im Spektralbereich 280-800 nm für die Umweltforschung [PDF]

open access: yes, 2022
Ein neu entwickelter Sonnensimulator auf LED-Basis erlaubt es die bodennahe solare spektrale Bestrahlungsstärke mittlerer Breiten in einem Wellenlängenbereich von 280-800 nm zu simulieren. Der in die Decke einer Klimakammer für die pflanzenphysiologische
Kopatsch, Anton
core   +2 more sources

Extrémní prostředí pouště Atacama: geologie, extrémofilové, a její důležitost pro exobiologii [PDF]

open access: yes, 2022
Because of the position in the subtropical climate belt, high altitudes, cold Humboldt Current, Andean rain-shadow, and a few other factors, the Atacama Desert is known for its hyper-arid conditions which are persisting here for a few tens of millions of
Jíra, Stanislav
core  

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