A detailed clinical study of 30 families with familial polyposis coli is presented. Seven 'isolated' cases are also described. It was found that some families did not exhibit any extracolonic manifestations, but the majority of families showed various numbers of members who had these manifestations of differing types and degrees. In view of the great variability within the members of a family, ...

Absence of both lungs is extremely rare; there appear to be only four recorded cases (Claireaux and Ferreira, 1958 ; Tuynman and Gardner, 1952; Allan and Affelbach, 1925 ; Schmit, 1893). Oesophageal atresia has a frequency of about 1: 3,500 births and the first arch syndrome is uncommon. The occurrence of all three of these conditions in a liveborn infant has not previously been recorded and it...

Dear Mr. York: As reader services correspondent at Fellowship headquarters, I would like to thank you for sending us your review article of Martin Gardner's Urantia. Of the half-dozen reviews we've read, yours is certainly the most serious, insightful and heartening. It was also gratifying to learn that you met your first Urantia Book believers during your visit to our information center at the...

T he cell has a number of quality control mechanisms to ensure defective proteins get trashed. Most defects are detected and dealt with at the point of production to ensure that only quality proteins are released for use. But proteins can also become defective once they're at the job site. They can even be made to look bad by cowork-ers that want them destroyed, as Gard-ner discovered when stud...