Results 111 to 120 of about 40,134 (307)
Meteor Crater Brief History Brochure
Brochure for Meteor Crater giving a brief history of the site, including what is believed to have happened to create the crater, its importance to the local area, and how it has been studied over the ...
Meteor Crater Enterprises Inc.
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Global Policy, EarlyView.ABSTRACT The European Union's proposed Space Law aims to establish a unified approach for sustainable space activities across the EU. While the EU's satellite constellations contribute to sustainability efforts, they can also have negative environmental impacts.
Elena Cirkovic, Vitali Braun
wiley +1 more source
VolcanicaDuring the voyage of the H.M.S. Beagle (1831–1836), Charles Darwin had the opportunity to visit and observe volcanoes and volcanic deposits at several archipelagos in the Atlantic, Pacific, and Indian Oceans and also in the Andes.
Dennis Geist, Sally Gibson
doaj +1 more source
The Barringer Meteorite Crater
This web site provides information on the Barringer Meteorite Crater (also known as "Meteor Crater") located in the Arizona desert. Users can find information on the latest research surrounding the crater, a complete history of the crater, the ...
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Recent and fossil deposits of dark material in Martian Craters
, 2006 As a result of weathering and aeolian processes a fine-grained dark material is distributed all over the Martian surface. On crater floors it is frequently accumulated as dunes. Mobile dunes are probably built and shifted by the actual wind fields.
Forget, Francois +6 more
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Making Mining Licit: Gold, Commodification, and the Everyday Performance of Law in Colombia
American Anthropologist, EarlyView.ABSTRACT Ethnographies of resource‐making have shown that the extraction of resource value from objects is premised on obviating the emplaced lifeworlds that surrounded objects before they traveled to consumer markets. Much of this literature looks at such supply‐chain disentanglement from the viewpoint of corporate and formal regulatory practices ...
Jesse Jonkman
wiley +1 more source
Boreas, EarlyView.The characteristics of settlement of Neanderthals in northern Central Europe during the earlier phases of the Middle Palaeolithic (Marine Isotope Stage 8–6) have been a matter of debate for decades, specifically regarding the population dynamics at such latitudes during the coldest phases. In this paper, we review the known archaeological record of the
Gianpiero Di Maida +5 more
wiley +1 more source
Boreas, EarlyView.Rapid thaw of the Earth's cryosphere in response to anthropogenic warming highlights the need to identify and understand the contrasting signatures of past ice‐sheet stability and collapse. The Kvarken archipelago, western Finland, at the centre of the former Fennoscandian Ice Sheet (FIS), has been designated a UNESCO World Heritage site in recognition
Niko Putkinen +6 more
wiley +1 more source
Clinical periodontal diagnosis
Periodontology 2000, EarlyView., 2023 Abstract Periodontal diseases include pathological conditions elicited by the presence of bacterial biofilms leading to a host response. In the diagnostic process, clinical signs such as bleeding on probing, development of periodontal pockets and gingival recessions, furcation involvement and presence of radiographic bone loss should be assessed prior ...
Giovanni E. Salvi +5 more
wiley +1 more source
Impact cratering experiments into highly porous bodies
, 2011 Asteroids represent both an opportunity and a risk. Their pristine environment captures the early collision evolution of the solar system; while their inherent ground impact potential could result in the mass extinction of life.
Vasile, Massimiliano, Gibbings, Alison
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