Results 231 to 240 of about 17,931 (304)

A review of the supercritical state of eruption‐fed volcanic density currents in subaerial and subaqueous settings

open access: yesSedimentology, EarlyView.
ABSTRACT Subaerial Pyroclastic Density Currents (PDCs) and Subaqueous Eruption‐Fed Density Currents (SEFDCs) produced during volcanic eruptions can present major hazards to surrounding communities and ecosystems. The bedforms deposited by these volcanic density currents can provide insights into the nature of transport and depositional processes, which
Shannon E. Frey   +2 more
wiley   +1 more source

Sedimentology of silica granules and haematite in the 3.47 Ga Antarctic Creek Member, Mount Ada Basalt, Western Australia

open access: yesSedimentology, EarlyView.
ABSTRACT The Paleoarchean Antarctic Creek Member of the Mount Ada Basalt, Eastern Pilbara Terrane, Western Australia, includes beds of jasper and white chert composed of sand‐sized silica granules that often contain or are mixed with silt‐sized particles of haematite.
Donald R. Lowe, Gary R. Byerly
wiley   +1 more source

Toward a “strong” normativity of fear in Hans Jonas and Aristotle

open access: yesThe Southern Journal of Philosophy, EarlyView.
Abstract What does it mean to say that one “ought” to undergo an emotion? In The Imperative of Responsibility, Hans Jonas provocatively asserts that twentieth‐century citizens “ought” to fear for the well‐being of future generations. I argue that Jonas's demand is not straightforwardly reducible to claims about the fittingness, expedience, or aretaic ...
Magnus Ferguson
wiley   +1 more source

Resolving a debate over social freedom

open access: yesThe Southern Journal of Philosophy, EarlyView.
Abstract When I am unable to drive due to a road blockade, there seems to be a morally relevant difference between a case in which the road is blocked by workers and a case in which the road is blocked by a landslide. Many political philosophers tried to capture this pretheoretical judgment at a more abstract level through the formulation of a concept ...
Ilkin Huseynli
wiley   +1 more source

“Is This Edible Anyway?” The Impact of Culture on the Evolution (and Devolution) of Mushroom Knowledge

open access: yesTopics in Cognitive Science, EarlyView.
Abstract Mushrooms are a ubiquitous and essential component in our biological environment and have been of interest to humans around the globe for millennia. Knowledge about mushrooms represents a prime example of cumulative culture, one of the key processes in human evolution.
Andrea Bender, Åge Oterhals
wiley   +1 more source

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