Results 71 to 80 of about 359,043 (172)

Sobre la presencia de Paraptenodytes y Palaeospheniscus (Aves: Sphenisciformes) en la Formación Bahía Inglesa, Chile On the precense of Paraptenodytes y Palaeospheniscus (Aves: Sphenisciformes) on the Bahia Inglesa Formation, Chile

open access: yesRevista Chilena de Historia Natural, 2007
El presente comentario fue motivado por el artículo de Acosta-Hospitaleche & Canto (2005) y de la observación directa de algunos especímenes de Spheniscidae previamente reportados para la Formación Bahía Inglesa, en la región de Atacama, Chile.
MARTÍN F CHÁVEZ
doaj  

Redox Regulation of Heart Regeneration: An Evolutionary Tradeoff [PDF]

open access: yes, 2016
Heart failure is a costly and deadly disease, affecting over 23 million patients worldwide, half of which die within 5 years of diagnosis. The pathophysiological basis of heart failure is the inability of the adult heart to regenerate lost or damaged ...
Hesham A. Sadek   +4 more
core   +2 more sources

Boosting sustainable technology through the new EU competition policy

open access: yesEuropean Law Journal, Volume 31, Issue 3, Page 227-249, October 2025.
Abstract EU antitrust is at the crossroads. It faces calls to be more supportive of corporate sustainability initiatives and, since the publication of the Draghi Report, increased pressure not to stand in the way of the global competitiveness of European industries.
Sandra Marco Colino
wiley   +1 more source

Aerobic power, huddling and the efficiency of torpor in the South American marsupial, Dromiciops gliroides. [PDF]

open access: yes, 2012
During periods of cold, small endotherms depend on a continuous supply of food and energy to maintain euthermic body temperature (T(b)), which can be challenging if food is limited. In these conditions, energy-saving strategies are critical to reduce the
Chappell, Mark A   +5 more
core   +3 more sources

Past research and future directions in understanding how birds use their sense of smell

open access: yesIbis, Volume 167, Issue 4, Page 853-881, October 2025.
Our understanding of the functional importance of olfaction to birds has improved over the past 60 years, largely as the result of experimental studies testing how birds use their sense of smell in different contexts. As it is impossible to measure directly which odours birds can detect, we rely on measuring behavioural responses to scent cues or ...
Darcy Creece   +2 more
wiley   +1 more source

Modelling foraging movements of diving predators : A theoretical study exploring the effect of heterogeneous landscapes on foraging efficiency [PDF]

open access: yes, 2014
Peer reviewedPublisher ...
Bartoń, Kamil A.   +4 more
core   +3 more sources

Shaping DOM Signatures in East Antarctic Lakes: Penguins, Mosses, Meltwater, and Processing Mechanisms

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 130, Issue 9, September 2025.
Abstract Rapid environmental changes in Antarctica highlight the need to understand the role of its lakes as potential carbon cycling hotspots. Dissolved organic matter (DOM) in these lakes drives biogeochemical processes, yet its sources and transformations remain poorly characterized.
Liza K. McDonough   +9 more
wiley   +1 more source

ENTANGLING KNOWLEDGE AND IGNORANCE

open access: yesHistory and Theory, Volume 64, Issue 3, Page 483-493, September 2025.
ABSTRACT This review essays situates Alain Corbin's Terra Incognita: A History of Ignorance in the Eighteenth and Nineteenth Centuries within current discussions of knowledge and ignorance related to intellectual history, the history of science, and the history of knowledge.
Vera Keller
wiley   +1 more source

Age and origin of enigmatic megaherbs from the subantarctic islands [PDF]

open access: yes, 2007
Biogeographic relationships in the southern hemisphere have puzzled biologists for the last two centuries. Once joined to form the supercontinent Gondwana, Africa, Antarctica, Australia, New Zealand and South America are widely separated by the Pacific ...
Christopher Quinn   +3 more
core   +1 more source

Fossil melanosomes or bacteria? A wealth of findings favours melanosomes:Melanin fossilises relatively readily, bacteria rarely, hence the need for clarification in the debate over the identity of microbodies in fossil animal specimens [PDF]

open access: yes, 2016
The discovery of fossil melanosomes has resulted in a wealth of research over the last 7 years, notably the reconstruction of colour in dinosaurs and fossil mammals.
Barden   +54 more
core   +2 more sources

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