Results 81 to 90 of about 4,211,022 (275)

Downregulation of EPAS1 and EGLN1 mRNA Expression Associated With High‐Altitude Adaptive Genetic Variants in Sherpa Highlanders

open access: yesAnnals of Human Genetics, EarlyView.
ABSTRACT Background and Aims Sherpa highlanders exhibit remarkable tolerance to hypoxia, most likely due to genetic adaptations shaped by natural selection at high altitude. This study examined the roles of endothelial PAS domain protein 1 (EPAS1) and egl‐9 family hypoxia‐inducible factor 1 (EGLN1) in the genetic mechanisms underlying this adaptation ...
Yunden Droma   +5 more
wiley   +1 more source

Arthur Neiva e a 'questão nacional' nos anos 1910 e 1920 Arthur Neiva and the 'national question' in the 1910s and 1920s

open access: yesHistória, Ciências, Saúde: Manguinhos, 2009
Com o objetivo de analisar as interpretações e os diagnósticos sobre o Brasil elaborados pelo cientista e escritor Arthur Neiva entre as décadas de 1910 e 1920, especialmente a partir de suas crônicas literárias e do relatório da expedição científica ...
Vanderlei Sebastião de Souza
doaj   +1 more source

Phantasmic Encounters in the Arctic: Haunting Materialities Beyond the Ghosts of War

open access: yesAnthropology of Consciousness, EarlyView.
ABSTRACT In the vast north, ghostly experiences are common for locals and outsiders alike. Here, we explore how cultural‐natural attributes, like remoteness and extreme seasonal variation, compound experiences of the haunting in visceral ways. This provides the Arctic region with an unusually pronounced baseline of other‐than‐human agency, which in the
Aki Hakonen, Oula Seitsonen
wiley   +1 more source

O salto qualitativo em Theodosius Dobzhansky: unindo as tradições naturalista e experimentalista A quality leap in Theodosius Dobzhansky: uniting naturalistic and experimental traditions

open access: yesHistória, Ciências, Saúde: Manguinhos, 2001
Em alta durante quase todo o século XIX, o prestígio dos naturalistas caiu nas últimas décadas do mesmo século, na medida em que o enfoque dos estudos biológicos transitava do histórico para o funcional. A redescoberta dos trabalhos de Mendel, em 1900, e
Aldo Mellender de Araújo
doaj   +1 more source

Map Room Conversations: Mapping Objects

open access: yesArea, EarlyView.
Short Abstract This article presents reflections on a ‘Map Room Conversation’ session entitled ‘Mapping Objects’ at the RGS International Conference, 2024. The session considered the three dimensional aspects of map‐making, both the objects and methods involved with producing maps, and the construction of maps in three dimensions in the form of relief ...
George Tobin, Jane Wess
wiley   +1 more source

MEDICAL SUPPLIES OF NOBILE EXPEDITION RESCUE MISSION

open access: yesMarine Medicine, 2021
In the beginning of the twentieth century there was a global competition between countries in reaching the North Pole by various means. One of such expeditions was the attempt to reach the North Pole in an airship «Dirigibile Italia» under the command of Umberto Nobile that ended on a disaster.
openaire   +2 more sources

What Is Space Bioethics?

open access: yesBioethics, EarlyView.
ABSTRACT Classical bioethics examines moral issues in terrestrial medicine and the life sciences. According to Konrad Szocik, space bioethics merely relocates those questions to harsher environments. We argue that this view is incomplete: space bioethics is a genuinely original domain.
Maurizio Balistreri
wiley   +1 more source

Diversity of Calliphoridae and Sarcophagidae (Diptera: Oestroidea) in a forested area in the municipality of Macaé, RJ, Brazil

open access: yesEntomoBrasilis
Sarcophagidae and Calliphoridae are families of Diptera that cover, respectively, about 3,100 and 1,000 species described worldwide. The species of these families have medical and veterinary importance, due to their role as vectors of pathogenic agents.
Anna Beatriz Costa dos Santos   +2 more
doaj   +1 more source

Out There No One Has a Right to Die

open access: yesBioethics, EarlyView.
ABSTRACT The eventual goal of space exploration is to colonize exoplanets and their moons outside our solar system. This is a dangerous and immoral endeavour. The extraterrestrial life forms encountered would be hostile, vulnerable or both, and the descendants of the original pioneers would be involuntarily exposed to hazardous conditions and ...
Matti Häyry
wiley   +1 more source

Before the long journey [PDF]

open access: yes
One of the leading specialists in space biology and medicine Oleg Geogiyevich Gazenko discusses the development of space biology and medicine and the problems which its specialists solve.
Gazenko, O. G.
core   +1 more source

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