Unhealthy surprises

Doublesex Surprises

sponds to the genetic sex grows, while the inappropriate 1 Department of Genetics primordium is repressed (Figure 1). In this model, it is Howard Hughes Medical Institute thought that both MGP and FGP are derived from differ-Harvard Medical School ent groups of embryonic cells (Nothiger et al. opment of the inappropriate genital primordium is re-2 Pediatric Surgical Research Laboratories presse...

Abdominal Surprises

Surprises from Celiac Disease

August 20 09 My vote for the most important scientific revolution of all time would trace back 10,000 years ago to the Middle East, when people first noticed that new plants arise from seeds falling to the ground from other plants—a realization that led to the birth of agriculture. Before that observation, the human race had based its diet on fruits, nuts, tubers and occasional meats. People ha...

Surprises in Aperiodic Diffraction

Mathematical diffraction theory is concerned with the diffraction image of a given structure and the corresponding inverse problem of structure determination. In recent years, the understanding of systems with continuous and mixed spectra has improved considerably. Moreover, the phenomenon of homometry shows various unexpected new facets. Here, we report on some of the recent results in an exem...

Some Post-Mortem Surprises

mous liver weighing nearly no ounces in which apparently the whole of the normal tissue had been replaced by a primary carcinoma. A somewhat similar case was that of a woman, fifty-one years of age, who also dropped dead in the street; she had no medical history, and yet at the post-mortem examination we found an abdomen apparently solid with an ovarian carcinoma, in which the coils of both lar...