Results 71 to 80 of about 2,528,909 (215)
On Race and Miscegenation: Portuguese Racial Studies During the 1930s and 1940s
In the first half of the twentieth century, miscegenation was widely discussed internationally, particularly as to the possibility of being biologically harmful.
Cabrita Alexandra
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The genetics of host adaptation in the parasitic plant Striga hermonthica [PDF]
The obligately outbreeding root hemiparasite Striga hermonthica (Orobanchaceae)is a serious threat to subsistence agriculture in sub-Saharan Africa. Resistance to this parasite in its crop hosts, such as rice, sorghum and maize, is not common, and the ...
Pescott, Oliver
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Trophic structure in a seabird host-parasite food web: insights from stable isotope analyses
Ecological studies on food webs rarely include parasites, partly due to the complexity and dimensionality of host-parasite interaction networks. Multiple co-occurring parasites can show different feeding strategies and thus lead to complex and cryptic ...
Gómez-Díaz Elena +3 more
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La host (1994) Any VIII. Núm. 3
SUMARI: Salutació. Crònica Reial.Els Templers en la Conquesta. Activitats de l'any 1993.La Host i les Colles.La gala dels Alcaids.Els Alcaids del Castell Vell.Homenatge a la Patrona.La Host per terres de Sòria.Pregó de la host.La Romeria.Els Bous.La ...
Pardo, Enrique +7 more
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The Role of Carbon Dioxide in Host-Finding by Mosquitoes (Diptera: Culicidae): A Review [PDF]
\ud From a critical review of the literature, it is concluded that the role of carbon dioxide in host-seeking by mosquitoes comprises two distinct actions.
Gillies, M.T.
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Introduction: The History of East Africa’s Critical Infrastructure
Hård Mikael
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A Global History of the 1919 Total Solar Eclipse
In this paper, we are looking at the British expeditions that observed the 1919 total solar eclipse in Sobral (Brazil) and Príncipe island as scientific practice embedded in their geographical, social, and world-political context.
Simões Ana +4 more
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In 1958, botanist-biologist Professor Reginald Gates conducted biometric and anthropometric “race crossing” studies on populations spanning Australia and Papua New Guinea.
Brown Robert
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