Access
To read this story in full you will need to login or make a payment (see right).
News and Views
Nature 434, 833-834 (14 April 2005) | doi:10.1038/434833a; Published online 13 April 2005
Evolution: Warm-hearted crocs
Adam P. Summers1
Abstract
Our ideas about how crocodiles evolved have just taken a battering. It seems that these cold-blooded creatures, with their limited capacity for prolonged activity, might have had active, warm-blooded ancestors.
A crocodile, quietly submerged, waiting to ambush its next meal, is a testament to the benefits of allowing the environment to determine body temperature. Cool water keeps the metabolic rate low, allowing astonishing periods between breaths that can range into hours.
To read this story in full you will need to login or make a payment (see right).
MORE ARTICLES LIKE THIS
These links to content published by NPG are automatically generated.
RESEARCH
Delayed treatment with monoclonal antibody IN-1 1 week after stroke results in recovery of function and corticorubral plasticity in adult ratsJournal of Cerebral Blood Flow & Metabolism Original Article