NATION: A METAMORPHOSIS

Calcific Metamorphosis: A Review.

Dental trauma to the permanent dentition can lead to clinical complications and its management may considerably challenge a practitioner. The incidence of pulp canal obliteration following dental trauma has been reported to be approximately 4 - 24%. Attempting to locate canals following calcific metamorphosis and negotiating it to full working length may lead to iatrogenic errors such as fractu...

A nation divided.

A Nation by Design

Not yet a GM nation

" We won't swallow it " (Daily Mirror) and " GM comes a cropper as Britain says a huge No " (Daily Express) were typical headlines greeting the results of the UK's public consultation on GM food. The government-funded " GM Nation? " survey showed that only 2% of people would eat it. 95% were worried that growing GM plants would contaminate non-GM ones, 93% felt not enough was known about long-t...

Ascidian metamorphosis

Solitary ascidians have a long legacy as model organisms for investigating developmental mechanisms because of the simplicity of their embryogenesis and their basal phylogenetic position within the chordates (Berrill, 1929; Cameron et al., 2000; Conklin, 1905; Jeffery and Swalla, 1997; Kowalevsky, 1866; Satoh, 1994). The chordate traits that unite ascidians with the cephalochordates and vertebr...