Seasonal Testicular Histology and Acystic Lobular Spermatogenesis in the Western Lesser Siren, Siren intermedia nettingi (Caudata: Sirenidae)

The Siren Organ

Sirens evoke images of alarm, public service, war, and forthcoming air raid. Outside of the music of Edgard Varése ([8], [9]), sirens have rarely been framed as musical instruments. By connecting air hoses to spinning disks with evenly-spaced perforations, the siren timbre is translated musically. Polyphony gives our instrument an organ-like personality: keys are mapped to different frequencies...

Siren Song of Segmentation

SIREN - A Network Infrastructure for Emergencies

In emergencies or disasters a key support factor for situation awareness, decision making and response is to provide a secure and dependable network infrastructure that aggregates connectivity over all available heterogeneous wireless broadband access technologies, including those employed for commercial network access. The infrastructure must be able to adapt to mission critical application re...

A Mining Redescriptions with Siren

In many areas of science, scientists need to find distinct common characterizations of the same objects and, vice versa, to identify sets of objects that admit multiple shared descriptions. For example, in biology, an important task is to identify the bioclimatic constraints that allow some species to survive, that is, to describe geographical regions both in terms of the fauna that inhabits th...

The siren song of simple tools that predict mortality.

Hippocrates recognized that determining a patient’s prognosis is one of physicians’ most important responsibilities.1 Although research on prognosis has been outpaced by that on etiology and therapy, scientists have made great strides in characterizing the risk factors for death across all areas of medicine.2 However, this deeper understanding of prognosis comes at the expense of simplicity; in...