Forty years ago today – Thesis Eleven, a bookmark

It was twenty years ago today

To mark the 20 th anniversary of the commencement of [email protected] (now arXiv.org), I've adapted this article from one 1 that first appeared in Physics World and was later reprinted (with permission) in Learned Publishing. This version is closer to my original draft, with some updates for this occasion, plus an astounding 2 5 added footnotes. 2 [email protected] received its first email...

Laryngeal cancer today compared to a study 50 years ago.

Francis L. McNelis MD, FACS, and Peter T. Nigri MD, FACS  the aMerIcan cOMMIttee fOr cancer Staging and End Result Reporting (AJC) was organized in 1959. In 1962 they published a brochure, Clinical Staging of Cancer of the Larynx. This was the origin of the TNM System of staging according to the anatomic site. The intent of this system of classification was to use it in the comparison of survi...

50 Million Announced Forty Years Ago 100 Million Mexicans… Only

1% in 2000. Although the objective was far from being reached (the current rate being close to 2%), in 2000 Mexico had 53 million inhabitants fewer than it would have had if fertility had remained at its 1970 level. The population pyramids of 1930, 1970 and 2000 clearly illustrate this dynamics (Figure 2). In 1930 the population was beginning to recover from the aftereffects of the Revolution a...

It was twenty years ago today: a celebration of two decades of optical sectioning.

Forty Years of X-Ray Binaries

In 2012 it was forty years ago that the discovery of the first X-ray binary Centaurus X-3 became known. That same year it was discovered that apart from the High-Mass X-ray Binaries (HMXBs) there are also Low-Mass X-ray Binaries (LMXBs), and that Cygnus X-1 is most probably a black hole. By 1975 also the new class of Be/X-ray binaries was discovered. After this it took 28 years before ESAs INTE...