Results 41 to 50 of about 5,428,683 (311)

Origin of Life: The Point of No Return

Life, 2020
Origin of life research is one of the greatest scientific frontiers of mankind. Many hypotheses have been proposed to explain how life began. Although different hypotheses emphasize different initial phenomena, all of them agree around one important ...
Dimiter Kunnev
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Ewing Sarcoma in Infants and Children Under 2 Years of Age: A French Retrospective Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Ewing sarcoma, the second most common primary bone cancer in children, requires intensive treatment that may lead to significant long‐term sequelae, particularly in infants. We retrospectively analyzed data from 1621 French patients treated between 1988 and 2015 within the EW88/93/97 or EE99 trials, focusing on 17 infants diagnosed before 24 ...
Elodie Verdier, Nathalie Cozic, Marie‐Dominique Tabone, Gaelle Pierron, Perrine Marec‐Berard, Sarah Winter, Gabriel Revon‐Rivière, Cyril Lervat, Dominique Plantaz, Marie‐Pierre Castex, Gregory Guimard, Estelle Thebaud, Stephanie Proust, Laure Saumet, Natacha Entz‐Werle, Sophie Taque, Cécile Vérité, Marta Jimenez, Nathalie Gaspar   +18 more
wiley   +1 more source

Satellite‐Derived NDVI Predicts Forage Availability in a Wild Ungulate System: Ground‐Truthing Using Field‐Collected Vegetation Biomass

Ecology and Evolution
Satellite‐derived vegetation indices provide a powerful means to quantify habitat variation in long‐term ecological studies, but their reliability as proxies for forage availability in wild herbivore populations remains underexplored.
Shane Butt, Kirsty Macphie, Richard S. Turner, Sean J. Morris, Alison Morris, Robin Pakeman, Loeske E. B. Kruuk, J. M. Pemberton, H. Froy   +8 more
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Ancient and Current Chaos Theories [PDF]

Interdisciplinary Description of Complex Systems, 2006
Chaos theories developed in the last three decades have made very important contributions to our understanding of dynamical systems and natural phenomena. The meaning of chaos in the current theories and in the past is somewhat different from each other.
Güngör Gündüz
doaj  

Seasonal variation in defense behavior in European and scutellata-hybrid honey bees (Apis mellifera) in Southern California

Scientific Reports, 2023
Nest defense in the honey bee (Apis mellifera) is a complex collective behavior modulated by various interacting social, environmental, and genetic factors. Scutellata-hybrid (“Africanized”) honey bees are usually considered to be far more defensive than
Daniela Zarate, Brandon Mukogawa, Joshua Kohn, James C. Nieh   +3 more
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Safety and Effectiveness of a High‐Dose, Tailored Tissue Plasminogen Activator Therapy Protocol: A Joint Pediatric Hematology and Cardiac ICU Quality Improvement Initiative Analysis

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Pediatric thromboembolism is increasingly encountered in critical care. Systemic thrombolysis with tissue plasminogen activator (tPA) facilitates vessel or valve patency, yet pediatric‐specific protocols remain undefined, and safety concerns persist. Objective To evaluate the efficacy and safety of a tailored, prolonged systemic tPA
Eran Shostak, Oded Gilad, Yael Feinstein, Sigal Nakav, Ofer Schiller, Joanne Yacobovich   +5 more
wiley   +1 more source

Unlearned adaptive responses to heterospecific referential alarm calls in two bird species from separate evolutionary lineages

Scientific Reports, 2023
The interspecific responses to alarm signals may be based on unlearned mechanisms but research is often constrained by the difficulties in differentiating between unlearned and learned responses in natural situations.
Jungmoon Ha, Keesan Lee, Eunjeong Yang, Woojoo Kim, Hokyung Song, Injae Hwang, Larisa Lee-Cruz, Jinseok Park, Jihyeon Song, Chan-ryul Park, Wooshin Lee, Piotr Jablonski, Sang-im Lee   +12 more
doaj   +1 more source

Survival After Hematopoietic Stem Cell Transplantation in Diamond–Blackfan Anemia Syndrome: The Role of Iron Overload—A Systematic Review

Pediatric Blood &Cancer, EarlyView.
ABSTRACT We assessed the effect of iron overload (IO) on mortality and complications following hematopoietic stem cell transplantation (HSCT) in patients with Diamond–Blackfan anemia syndrome (DBAS) in a systematic review of individual participant data and cohort data from observational studies.
Geoffrey Z. L. Kuppens, Evangelia Kiakou, Lieke de Zwart, Maurizio Miano, Eduard J. van Beers, Marc Bierings, Marije Bartels   +6 more
wiley   +1 more source

Monogamy removes constraints on reproductive tissue investment imposed by intense sexual selection

Scientific Reports
A key factor influencing the reproductive success and fitness of an individual is the allocation of resources to reproductive tissue. Previous research has documented positive influences of sexual selection on the evolution of male traits such as testes ...
Abril Alexander, Maider Iglesias-Carrasco, Miguel Lozano, Francisco Garcia-Gonzalez   +3 more
doaj   +1 more source

Freudarwin: Evolutionary Thinking as a Root of Psychoanalysis

Frontiers in Psychology, 2018
This essay synthesizes the place of biological evolutionism in the early history of psychoanalysis, and shows the implicit significance of German Darwinism in Sigmund Freud’s whole psychoanalytical works.
Geoffrey Marcaggi, Fabian Guénolé, Fabian Guénolé, Fabian Guénolé, Fabian Guénolé   +4 more
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