Layered salt crystals, colored pink and green from trapped microorganisms. From a layered salt pan in Saline Valley, Calif.
A microbial bloom of living, green Dunaliella algae found within a fluid inclusion in a salt crystal.
Veille sismique – Accueil
Derniers séismes – Veille automatique USGS
Cette veille sismique affiche automatiquement les derniers séismes rapportés par le United States Geological Survey (USGS). Les données sont mises à jour en temps quasi réel à partir du flux officiel.
Chargement des données sismiques…
mercredi 4 janvier 2012
Bacteria back from the brink
Layered salt crystals, colored pink and green from trapped microorganisms. From a layered salt pan in Saline Valley, Calif.A microbial bloom of living, green Dunaliella algae found within a fluid inclusion in a salt crystal.
mardi 3 janvier 2012
History of life through time
Camelops minidokae dentary from the Pleistocene of California. Photo by UCMP scientist Pat Holroyd.(UCMP has the largest paleontological collection of any university museum in the world. These well-curated and computerized collections include fossil and modern organisms representing prokaryotes to vertebrates collected from all continents. The Museum serves the University community in various research projects and provides support for instruction at Berkeley and other UC campuses. In addition, the collections are used by paleontologists, biologists and geologists throughout the world)
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Faut-il une étude détaillée des eaux souterraines?
Jean-François Hélie, professeur associé au département des sciences de la Terre et de l'atmosphère de l'UQAM, ne voit aucune raison de ne pas faire le portrait isotopique régional des eaux souterraines.
vendredi 25 novembre 2011
mercredi 23 novembre 2011
samedi 19 novembre 2011
Worst extinction ever linked to massive CO2 spill
Charles Henderson (middle) of the University of Calgary collects material from a sedimentary layer in Shangsi, Sichuan Province, China. Courtesy of Charles Henderson/Univeresity of Calgary
mercredi 16 novembre 2011
dimanche 30 octobre 2011
Death toll from Turkey earthquake nears 600
The death toll from Turkey’s powerful earthquake was nearing 600 on Sunday as hopes faded of finding any more survivors in the rubble. At least 596 people were killed and more than 4,150 injured in the magnitude 7.2 quake that rocked Turkey’s eastern Van province, near the Iranian border, a week ago, Turkish authorities said.
dimanche 23 octobre 2011
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