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Royal Society study on adaptability of fish to warming oceans

d the intentional aspects of the imitator's behaviour.
Contact: Dr Annika Paukner, Department of Psychology, University of Stirling, STIRLING, FK9 4LA, United Kingdom

Selective foraging of fungi by collembolans in soil by Dr HB Jorgensen, Dr T Johansson, Dr B Canback, Dr K Hedlund and Prof A Tunlid

Soils contain highly diverse communities of microorganisms and invertebrates, though, the knowledge of trophic interactions (whom eats whom) is largely unknown. We have developed a molecular technique, based on the analysis of fungal DNA, to investigate the different fungal species eaten by collembolans (springtails) in soil. We discovered that the diversity of fungal species in soil was 33 times higher that the diversity found in the guts of collembolans. This suggests that collembolans can preferentially select certain taxa of fungi for foraging. Furthermore, the developed method presents new possibilities to analyse trophic interactions between fungi and invertebrates in soil-food webs.
Contact: Dr Helene Bracht Jorgensen, Equipe Bioflux, CNRS-CEFE, 1919 Route de Mende, MONTPELLIER, CEDEX 5, 34293, France

Journal of the Royal Society Interface

Age-Dependent Residual Tensile Strains are Present in the Dura Mater of Rats by Dr JH Henderson, Dr RP Nacamuli, Ms B Zhao, Dr MT Longaker and Dr DR Carter

Young children can heal skull injuries, but older children and adults cannot. Skull healing is dependent on the dura mater, a tissue connected to the inside of the skull. This study used computer modelling and surgical experiments on rat dura mater to investigate the physical state of the dura mater. The study shows that dura mater of young rats, but not mature rats, exists in a state of significant tension the tissue is literally stretched. The tension may give immature dura mater its ability to heal skull injuries. These findings may lead to strategies for repairing adult skull injuries.
Contact: Dr.
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Contact: Tim Watson
tim.watson@royalsoc.ac.uk
44-207-451-2508
Royal Society
26-Apr-2005


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