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Samuli Helle

Showing results (21-30 of 55) with videos related to

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Biology Letters|December 7, 2007
Marrying women 15 years younger maximized men's evolutionary fitness in historical SamiSamuli Helle, Virpi Lummaa, Jukka Jokela
Biology Letters|November 29, 2007
Temperature-related birth sex ratio bias in historical Sami: warm years bring more sonsSamuli Helle, Samuli Helama, Jukka Jokela
Biology Letters|May 10, 2023
Differential grandparental investment when maternal grandmothers are living versus deceasedAntti O Tanskanen, Samuli Helle, Mirkka Danielsbacka
European Journal of Epidemiology|May 27, 2026
The decade of double-trouble: live birth and stillbirth sex ratio variation in Finland during the COVID-19 pandemic and Russia's attack on UkraineSamuli Helle, Antti O Tanskanen, Mirkka Danielsbacka
Plos One|April 12, 2012
Hand asymmetry does not relate to key life history traits in post-menopausal contemporary Finnish womenStefan Van Dongen, Ellen Sprengers, Samuli Helle
Physiology & Behavior|December 5, 2009
Maternal corticosterone but not testosterone level is associated with the ratio of second-to-fourth digit length (2D:4D) in field vole offspring (Microtus agrestis)Thomas Lilley, Toni Laaksonen, Otso Huitu, et al.
Biology Letters|February 5, 2010
Fluctuating feather asymmetry in relation to corticosterone levels is sex-dependent in Eurasian treecreeper (Certhia familiaris) nestlingsSamuli Helle, Petri Suorsa, Esa Huhta, et al.
Journal of Chemical Ecology|May 7, 2010
Carotenoid composition of invertebrates consumed by two insectivorous bird speciesTapio Eeva, Samuli Helle, Juha-Pekka Salminen, et al.
Scientific Reports|February 27, 2019
Males have more aggressive and less sociable personalities than females in semi-captive Asian elephantsMartin W Seltmann, Samuli Helle, Win Htut, et al.
Proceedings. Biological Sciences|January 27, 2015
Culled males, infant mortality and reproductive success in a pre-industrial Finnish populationTim A Bruckner, Samuli Helle, Elisabeth Bolund, et al.
Pageof 6

Showing results (21-30 of 55) with videos related to

Sort By:
Pageof 6
Biology Letters|December 7, 2007
Marrying women 15 years younger maximized men's evolutionary fitness in historical SamiSamuli Helle, Virpi Lummaa, Jukka Jokela
Biology Letters|November 29, 2007
Temperature-related birth sex ratio bias in historical Sami: warm years bring more sonsSamuli Helle, Samuli Helama, Jukka Jokela
Biology Letters|May 10, 2023
Differential grandparental investment when maternal grandmothers are living versus deceasedAntti O Tanskanen, Samuli Helle, Mirkka Danielsbacka
European Journal of Epidemiology|May 27, 2026
The decade of double-trouble: live birth and stillbirth sex ratio variation in Finland during the COVID-19 pandemic and Russia's attack on UkraineSamuli Helle, Antti O Tanskanen, Mirkka Danielsbacka
Plos One|April 12, 2012
Hand asymmetry does not relate to key life history traits in post-menopausal contemporary Finnish womenStefan Van Dongen, Ellen Sprengers, Samuli Helle
Physiology & Behavior|December 5, 2009
Maternal corticosterone but not testosterone level is associated with the ratio of second-to-fourth digit length (2D:4D) in field vole offspring (Microtus agrestis)Thomas Lilley, Toni Laaksonen, Otso Huitu, et al.
Biology Letters|February 5, 2010
Fluctuating feather asymmetry in relation to corticosterone levels is sex-dependent in Eurasian treecreeper (Certhia familiaris) nestlingsSamuli Helle, Petri Suorsa, Esa Huhta, et al.
Journal of Chemical Ecology|May 7, 2010
Carotenoid composition of invertebrates consumed by two insectivorous bird speciesTapio Eeva, Samuli Helle, Juha-Pekka Salminen, et al.
Scientific Reports|February 27, 2019
Males have more aggressive and less sociable personalities than females in semi-captive Asian elephantsMartin W Seltmann, Samuli Helle, Win Htut, et al.
Proceedings. Biological Sciences|January 27, 2015
Culled males, infant mortality and reproductive success in a pre-industrial Finnish populationTim A Bruckner, Samuli Helle, Elisabeth Bolund, et al.
Pageof 6