Results 171 to 180 of about 166,994 (247)

Effects of endurance training on skeletal muscle mitochondrial respiration in Siberian huskies and Alaskan huskies

open access: yesPhysiological Reports, Volume 14, Issue 2, January 2026.
Abstract Siberian huskies (SH) and Alaskan huskies (AH), sharing ancestry with ancient sled dogs, were hypothesized to achieve similar skeletal muscle (SM) mitochondrial respiration capacities and densities through endurance training. High‐resolution respirometry of SM biopsies from SH and AH during off‐season (5 SH, 4 AH) and racing‐season (5 SH, 7 AH)
Silje Sælen‐Helgesson   +7 more
wiley   +1 more source

Reduction of Residence Time of Air in the Arctic Since the 1980s

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract The Arctic has seen dramatic changes in recent decades. Here we use a simple metric, the Arctic residence time of air, that is, the time air spends uninterruptedly north of 70° ${}^{\circ}$N, to evaluate how these changes have affected the high‐latitude atmospheric circulation in the last 40 years.
Andreas Plach   +2 more
wiley   +1 more source

Siberia [PDF]

open access: yesJournal of The Royal Central Asian Society, 1905
openaire   +1 more source

The Buoyancy of Cratonic Lithospheric Mantle

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract Cratons are generally thought to be characterized by stable, long‐lived mantle roots. However, recent studies have suggested that the lithospheric mantle may be prone to removal, implying that it may be denser than the asthenosphere. To address these suggestions, we use a global data set of mantle xenoliths to estimate the density structure of
Z. J. Sudholz, A. Copley, K. Priestley
wiley   +1 more source

Increased Continental Exposure as a Driver of Carbon Drawdown and Initiation of the Late Paleozoic Ice Age

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract Earth experienced a long‐term cooling trend during the middle‐late Devonian, culminating in the Late Paleozoic Ice Age (LPIA)—the longest icehouse in Earth's history. The onset of glaciation has been attributed to CO2 removal through silicate weathering, however previous carbon cycle models have failed to reproduce its timing. Here, we build a
Yinggang Zhang   +5 more
wiley   +1 more source

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