Results 291 to 300 of about 400,764 (338)

Injuries in deep time: interpreting competitive behaviours in extinct reptiles via palaeopathology

open access: yesBiological Reviews, EarlyView.
ABSTRACT For over a century, palaeopathology has been used as a tool for understanding evolution, disease in past communities and populations, and to interpret behaviour of extinct taxa. Physical traumas in particular have frequently been the justification for interpretations about aggressive and even competitive behaviours in extinct taxa.
Maximilian Scott   +3 more
wiley   +1 more source

The flexible, the stereotyped and the in‐between: putting together the combinatory tool use origins hypothesis

open access: yesBiological Reviews, EarlyView.
ABSTRACT Tool use research has long made the distinction between tool using that is considered learned and flexible, and that which appears to be instinctive and stereotyped. However, animals with an inherited tool use specialisation can exhibit flexibility, while tool use that is spontaneously innovated can be limited in its expression and facilitated
Jennifer A. D. Colbourne   +1 more
wiley   +1 more source

Development and validation of a nomogram for predicting perforation in the early 24 h of acute appendicitis. [PDF]

open access: yesSAGE Open Med
Mei Y   +12 more
europepmc   +1 more source

Nasal septal perforation in pregnancy case report: A family medicine perspective. [PDF]

open access: yesJ Family Med Prim Care
Mughal Z   +3 more
europepmc   +1 more source

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