Results 201 to 210 of about 308,593 (287)

Relationship and Source of Whitings Used as a Painting Ground in Icons From Polish Museum Collections Based on Their Calcareous Nannofossil Content

open access: yesArchaeometry, Volume 68, Issue 1, Page 132-143, February 2026.
ABSTRACT In icon painting, chalk whiting is key to creating a gesso ground, providing a smooth, absorbent surface for paint. Calcareous nannofossils, tiny marine skeletons found in chalk, are an ideal tool for analyzing the origin of an icon's chalk ground, often the only reliable information about where the icon came from.
Mariusz Kędzierski, Mirosław P. Kruk
wiley   +1 more source

The history of cardiopulmonary bypass and the evolution of <i>pneuma</i> in cardiopulmonary medicine. [PDF]

open access: yesArch Med Sci Atheroscler Dis
Leivaditis V   +14 more
europepmc   +1 more source

Extreme Potomac Floods at Washington D.C. During the Past 500 Years

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract Washington D.C. faces one of the highest 100‐year flood risks of any major city along the U.S. East Coast. In addition to storm‐surge inundation during hurricanes and nor'easters, water‐level observations for Washington are strongly skewed by major floods on the Potomac River.
Michael Toomey   +4 more
wiley   +1 more source

Sex Differences in Frailty in Milan Over the Last 2000 Years: A Hazards-Based and Cumulative Phenotype Approach. [PDF]

open access: yesAm J Biol Anthropol
Biehler-Gomez L   +5 more
europepmc   +1 more source

A comprehensive review of patents in dentistry: An in-depth examination and evaluation. [PDF]

open access: yesJ Conserv Dent Endod
Kalgeri SH   +5 more
europepmc   +1 more source

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