Results 1 to 10 of about 1,646,641 (334)
Marine Drugs, 2023 Marine cyanobacteria are an ancient group of photosynthetic microbes dating back to 3.5 million years ago. They are prolific producers of bioactive secondary metabolites.
Hesham R. El-Seedi +11 more
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Some remarks on the lexicographical entry for ierodiacon
Studia Romanica Posnaniensia, 2023 In the present study, we aim to provide a critical analysis of the treatment of the word ierodiacon (hierodeacon) in several Romanian dictionaries. Following the investigation of a substantial number of documents, we also intend to show that there was a
Maria Ștefănescu, Mircea Minică
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Extreme dispersal or human-transport? The enigmatic case of an extralimital freshwater occurrence of a Southern elephant seal from Indiana [PDF]
PeerJ, 2020 Elephant seals (Mirounga spp.) are the largest living pinnipeds, and the spatial scales of their ecology, with dives over 1 km in depth and foraging trips over 10,000 km long, are unrivalled by their near relatives.
Ana M. Valenzuela-Toro +2 more
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Response of aurora candidates in the Chinese official histories to the space climate during 511–1876
Earth, Planets and Space, 2023 Continuous observations at specified locations and chronicling of astronomical phenomena provide a good opportunity to study ancient space weather. There are 248 white, 125 red, and 44 blue color aurora-like descriptions, also known as aurora candidates,
Po-Han Lee, Jann-Yenq Liu
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The sheltopusik (Pseudopus apodus) in southwestern Ukraine? Insights from the museum collection [PDF]
Evolutionary Systematics, 2022 We provide data on the historical record of Pseudopus apodus (Anguidae) from Odesa, Ukraine based on the specimen re-discovered in the museum collection of the National Science and Natural History Museum of the National Academy of Sciences of Ukraine in ...
Oleksandra Oskyrko +2 more
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Historical Census Record Linkage [PDF]
Annual Review of Sociology, 2018 For the past 80 years, social scientists have been linking historical censuses across time to study economic and geographic mobility. In recent decades, the quantity of historical census record linkage has exploded, owing largely to the advent of new machine-readable data created by genealogical organizations.
Steven, Ruggles +2 more
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Historical Life Course Studies, 2023 In recent years the development of historical databases reconstructing the lives of large populations accelerated. These considerable investments of time and money have greatly expanded possibilities for new research in history, demography, sociology ...
George Alter +2 more
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Observed and predicted trends in Icelandic snow conditions for the period 1930–2100 [PDF]
The Cryosphere, 2023 This study presents an estimate of historical snow conditions in Iceland and a projection of these conditions, given different emission scenarios. Historical snow conditions were estimated using in situ observations from manned meteorological stations ...
D. Eythorsson +3 more
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Historical sunspot records [PDF]
Living Reviews in Solar Physics, 2020 AbstractSunspot observations are available in fairly good numbers since 1610, after the invention of the telescope. This review is concerned with those sunspot observations of which longer records and drawings in particular are available. Those records bear information beyond the classical sunspot numbers or group sunspot numbers. We begin with a brief
Rainer Arlt, José M. Vaquero
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