Results 261 to 270 of about 3,175,629 (365)

Using MALDI‐FTICR Mass Spectrometry to Enhance ZooMS Identifications of Pleistocene Bone Fragments Showing Variable Collagen Preservation

open access: yesRapid Communications in Mass Spectrometry, EarlyView.
ABSTRACT Rationale Recent advances in high‐throughput molecular analyses of collagen peptides, especially ZooMS (Zooarchaeology by Mass Spectrometry), have permitted breakthroughs in the analysis of archaeological material that is highly fragmented, a factor that hinders morphological identification.
Pauline Raymond   +8 more
wiley   +1 more source

Using the Lenses of Organizational Culture and Climate for Research on Science Teacher Professional Learning

open access: yesScience Education, EarlyView.
ABSTRACT Teachers are members of school district organizations that have their own organizational culture and climate. We differentiate a school or district as an organizational cultural context from the broader community cultural context or individual sociocultural background; it stands as an intermediate context with effects that may differ from the ...
Jamie Tanas   +3 more
wiley   +1 more source

Half a century of quantitative cultural evolution. [PDF]

open access: yesProc Natl Acad Sci U S A
Fogarty L   +3 more
europepmc   +1 more source

Natural Resource and Food Import Dependence of Africa: Can Democracy Slowdown Dependence?

open access: yesSustainable Development, EarlyView.
ABSTRACT Despite Africa's huge agricultural potential and natural resource abundance, the continent is paradoxically the most food import dependent and food unsecured in the world. Based on this paradoxical observation, this study seeks to analyze the effect of natural resources on food import dependence in a panel of 38 sub‐Saharan African countries ...
Sylvain B. Ngassam   +2 more
wiley   +1 more source

Engineering organs, hopes and hybridity: considerations on the social potentialities of xenotransplantation. [PDF]

open access: yesMed Humanit
Kögel J   +10 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy