Results 241 to 250 of about 358,768 (310)

An Expedition

The Iowa Review, 1973
openaire   +2 more sources

Isolated in the highlands, found in the museum: A new species of Characidium (Crenuchidae) from a Bolivian National Park, with a CT scan revealing features

Journal of Fish Biology, EarlyView.
Abstract A new species of Characidium is described from a small, isolated river in the highland areas of Noel Kempff Mercado National Park, Bolivia. The new taxon can be diagnosed by the presence of a relatively broad and conspicuous dark midlateral stripe extending from the tip of snout to the base of the caudal fin, markedly darker than the vertical ...
Leonardo Oliveira‐Silva, Karina Or, Angela Zanata, Scott A. Schaefer   +3 more
wiley   +1 more source

The iADRS as an integrated measure of cognition and function: Psychometric evidence from recent clinical trials in early symptomatic Alzheimer's disease. [PDF]

Alzheimers Dement
Atkins AS, Marquis S, Creel K, Meunier J, Cano S, Delbecque L, Shan M, Wessels AM.   +7 more
europepmc   +1 more source

Geochemical characteristics and sources of potassium and bromine in Salt-Lake Brines of the Junggar Basin, China. [PDF]

Sci Rep
Zhou C, Yang Z, Chen X, Liu C, Cheng X.
europepmc   +1 more source

A new species of inseminating catfish of the genus Tympanopleura (Siluriformes: Auchenipteridae) from the Ituxi River, Amazon River basin, northern Brazil, revealed by integrative taxonomy

Journal of Fish Biology, EarlyView.
Abstract A new species of the genus Tympanopleura is described from the Iquiri River, a tributary of the Ituxi River, a right‐bank tributary to the Purus River, Amazon River, northern Brazil. The new species is distinguished from all its congeners by a combination of features, such as the presence of an intensely pigmented square‐shaped blotch on the ...
Frank Raynner V. Ribeiro, Cárlison Silva‐Oliveira, Valdenor Magalhães, Lucas Gama, Lúcia H. Rapp Py‐Daniel   +4 more
wiley   +1 more source

Comparative histological analysis of vertebrates reveals Triassic climate variability across southern Pangea

Journal of Anatomy, EarlyView.
Bone tissues of Triassic taxa reveal life history signals consistent with climatic variation across southern Pangea, spanning present‐day Brazil, Argentina, Zimbabwe, and India. Slower growth patterns within the Zimbabwean assemblage suggest a comparatively more arid intracontinental environment than those closer to the coast. Artwork by Andrey Atuchin.
Valerie Trinidad, Darlington Munyikwa, Michel Zondo, Timothy J. Broderick, Sterling J. Nesbitt, Stephen Tolan, Christopher Griffin   +6 more
wiley   +1 more source

Quantifying Depuration of Methylmercury from Fish Consumption by Travelers. [PDF]

Environ Health (Wash)
Lepak RF, Mve Beh JH, Moukegni-Sika C, Bibang Binguema JN, Janssen SE, Ogorek JM, Tate MT, McIntyre PB.   +7 more
europepmc   +1 more source

Time requirements of pre-acclimatization at simulated altitude to prevent acute mountain sickness. [PDF]

J Travel Med
Burtscher J, Hüfner K, Gatterer H, Pichler-Hefti J, Hefti U, Tannheimer M, Kleinsasser A, Hackett P, Burtscher M.   +8 more
europepmc   +1 more source

Preserved circadian variation in cortisol and androgens during a ski traverse of Antarctica in summer. [PDF]

Sci Rep
Gifford RM, Taylor N, Kendall J, Hattersley J, Homer NZM, Woods DR, Imray C, Wilson AJ.   +7 more
europepmc   +1 more source