Results 161 to 170 of about 256,544 (304)
Abstract Volunteers have been involved in nature observations for decades through citizen science initiatives, providing large data sets as well as problem identification that allow a more complete understanding of many natural phenomena. Although communication is a core component in citizen science, the key factors that determine its effectiveness in ...
Kristiina Gibson +18 more
wiley +1 more source
[Assisted suicide in the media-a narrative review]. [PDF]
Gögl E +4 more
europepmc +1 more source
Abstract Concern has been raised that in recent decades knowledge of plant species has severely declined in western countries. However, in the absence of regularly repeated and standardized surveys, no reliable statement can be made as to whether plant species knowledge has actually declined in recent decades.
Petra Lindemann‐Matthies +2 more
wiley +1 more source
[The European Board Examination in Otorhinolaryngology as a high-quality test instrument: psychometric measures in a long-term comparison. German version]. [PDF]
Neudert M +6 more
europepmc +1 more source
Abstract Biological invasions are a major driver of biodiversity loss, yet inconspicuous or “cryptic” species often escape detection and public awareness, limiting management responses. We investigated the freshwater jellyfish Craspedacusta sowerbii, likely native to China and now present on six continents, through a 22‐month multilingual online survey
Guillaume Marchessaux +17 more
wiley +1 more source
[Voluntariness of requests for assisted suicide]. [PDF]
Braun E +4 more
europepmc +1 more source
Zukunftstechnologien bei der Stromerzeugung: Elektrizität im internationalen Vergleich
Welche Technologien setzen sich bei der Stromerzeugung gerade durch? Die Antwort sieht man eindeutig in den Trends von weltweiten Stromerzeugungsdaten. Analysiert man diese Daten mithilfe der Theorie der Diffusion von Innovationen, dann zeigt sich, wie Photovoltaik und Wind sich weltweit durchsetzen.
Axel Kleidon, Harald Lesch, Russ Conser
wiley +1 more source
Mikrometeorite und ihr Ursprung im Sonnensystem: Außerirdischer Staub zum Anfassen
Mit einer Größe, die der Dicke eines Haares entspricht, sind Mikrometeorite kaum sichtbar für das bloße Auge. Dennoch werden sie seit etwa 150 Jahren gesammelt, und seit wenigen Jahren sogar auf unseren Hausdächern. Als Kostproben von Asteroiden oder Kometen stellen sie wertvolle Boten unseres Sonnensystems dar.
Jenny Feige
wiley +1 more source
[Assisted suicide in Germany-initial analysis of data from a reporting platform and potential implications for the development of a guideline]. [PDF]
Schildmann J +4 more
europepmc +1 more source

