Results 191 to 200 of about 52,482 (318)

Why we age

open access: yesBiological Reviews, EarlyView.
ABSTRACT Three categories of explanations exist for why we age: mechanistic theories, which omit reference to evolutionary forces; weakening force of selection theories, which posit that barriers exist that prevent evolutionary forces from optimising fitness in ageing; and optimisation theories, which posit that evolutionary forces actually select for ...
Michael S. Ringel
wiley   +1 more source

Does BRRD mitigate the bank-to-sovereign risk channel? [PDF]

open access: yesPLoS One
Lamers M   +3 more
europepmc   +1 more source

A Simulation Estimator for Testing the Time Homogeneity of Credit Rating Transition [PDF]

open access: yes
The measurement of credit quality is at the heart of the models designed to assess the reserves and capital needed to support the risks of both individual credits and portfolios of credit instruments.
Kiefer, Nicholas M., Larson, C. Erik
core  

Mapping molluscan endocrinology: a systematic and critical appraisal

open access: yesBiological Reviews, EarlyView.
ABSTRACT Historically, a vertebrate‐centric paradigm has framed our interpretation of molluscan endocrinology, with considerable research focusing on vertebrate‐type steroid hormones (e.g. oestrogens, testosterone). However, contradictory evidence on the occurrence of vertebrate‐type steroid hormones in molluscan tissues, and a lack of the specific ...
Konstantinos Panagiotidis   +3 more
wiley   +1 more source

Early evolutionary history of the seed

open access: yesBiological Reviews, EarlyView.
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman   +2 more
wiley   +1 more source

Benefit Corporations: The Moral Legitimacy That Requires More Rules

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study examines why Italian for‐profit firms convert to Benefit Corporation status and how they navigate the ensuing hybridization. Survey data from 118 companies are interpreted through a pragmatic and moral legitimacy lens. Results show that the main trigger is pragmatic legitimacy: managers seek to strengthen trust with internal and ...
Laura Rocca   +3 more
wiley   +1 more source

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