Results 151 to 160 of about 188,275 (303)

On an Aggregation Theory for Indicators Expressing Behaviors of Complex Systems With an Application to Sustainability

open access: yesSustainable Development, EarlyView.
ABSTRACT Certain attributes of large‐scale complex systems are often expressed through sets of indicators. For example, the sustainability of an entity, be it a nation, a city, an energy system, a corporation etc., can be effectively represented by indicators and corresponding data series.
Vassilis S. Kouikoglou   +1 more
wiley   +1 more source

Dismantling the genus Tarenna (Rubiaceae: Pavetteae) in Africa and Madagascar, with the description of three new genera

open access: yesTAXON, EarlyView.
Abstract As presently circumscribed, the Paleotropical genus Tarenna, belonging to the tribe Pavetteae (Rubiaceae), comprises about 200 species and has its centres of diversity in tropical Asia and Africa. Previous molecular phylogenetic studies of the tribe revealed the polyphyly of Tarenna, suggesting that the genus needs to be recircumscribed ...
Petra De Block   +3 more
wiley   +1 more source

"Congo" red: out of Africa?

open access: yesArchives of pathology & laboratory medicine, 2001
Congo red is the essential histologic stain for demonstrating the presence of amyloidosis in fixed tissues. To the best of my knowledge, nothing has been written about why the stain is named "Congo."To understand the etymology and history of the Congo red histologic stain.Primary sources were consulted extensively, including 19th-century corporate ...
openaire   +1 more source

A novel circumscription and classification for Neurolaeneae (Asteraceae)

open access: yesTAXON, EarlyView.
Abstract Neurolaeneae (Asteraceae) have a complicated taxonomic history. The tribe was described in 1927, but subsequently disregarded in 1977, and later reinstated as a tribe following a large‐scale phylogenetic analysis of Asteraceae in 2002. To date, this tribe has remained poorly studied and it has never been the subject of a comprehensive ...
Vinicius R. Bueno   +4 more
wiley   +1 more source

Cohorts of immature Pteropus bats show interannual variation in Hendra virus serology

open access: yesJournal of Animal Ecology, EarlyView.
Pteropus bat with offspring, photo taken by Manuel Ruiz‐Aravena. Abstract Understanding the drivers of seasonal disease outbreaks remains a fundamental challenge in disease ecology. Periodic outbreaks can be driven by several seasonally varying factors, including pulses of susceptible individuals through births, changes in host behaviour and social ...
Daniel E. Crowley   +24 more
wiley   +1 more source

Why Should we Worry about Nigeria's Fragile Security?

open access: yesThe Political Quarterly, EarlyView.
Abstract This paper explores the multifaceted implications of Nigeria's persistent security crisis, highlighting its domestic, regional and global consequences. It examines the humanitarian toll, economic disruption, poverty, food insecurity and the erosion of social cohesion within Nigeria. Regionally, it analyses how Nigeria's instability exacerbates
Onyedikachi Madueke
wiley   +1 more source

Shameful or shameless? Anxieties about mothers and women's autonomy on the Central African Copperbelt, 1956–1964

open access: yesGender &History, EarlyView.
Abstract This article deals with anxiety about and the shaming of modern urban mothers and wives on the mines of the late colonial Central African Copperbelt. Women's various labours and public presence lead to ambivalent depictions, such as the ‘careless mother’, that were part of a broader array of anxieties about women's autonomy on the mines ...
Stephanie Lämmert
wiley   +1 more source

Food, Affluence and the Consumption Basket*

open access: yesEconomic Papers: A journal of applied economics and policy, EarlyView.
There are significant disparities across nations in incomes and spending. For example, consumers in the poorest countries spend more than half of their income on food, while in the richest, this is one‐tenth or less. We use data from the International Comparison Program for 176 countries to estimate cross‐country demand equations focusing on food and ...
Hai Long Vo, Kenneth W. Clements
wiley   +1 more source

Sorghum husks as potential low cost adsorbent for Congo red adsorption. [PDF]

open access: yesSci Rep
Din SU   +7 more
europepmc   +1 more source

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