background and objective: over the recent years, genetically modified food in varieties of corn, soybeans, canola and cotton have been introduced to the global market. this study reviews the health and nutritional value of genetically modified foods in the past two decades. results and conclusions: contrary to the present biotechnological claims, transgenic products did not prove to be so flawl...

Until 1979, the evidence linking El Niño with changes in rainfall around the world came from rain gauges measuring precipitation over land and a handful of islands. Before the launch of the Tropical Rainfall Measuring Mission (TRMM) in November 1997, the remote sensing evidence gathered since 1979 was confined to ocean rainfall because of the very poor sensitivity of the instruments over land. ...

By the end of 1970s, Italy was a country at medium endemic level of hepatitis B virus infection, with wide geographical differences; intrafamily transmission was the major mode by which infection spread; hepatitis B e antigen positivity and hepatitis Delta positivity were frequently detected in hepatitis B surface antigen chronic carriers; a high proportion of subjects with chronic liver diseas...

PURPOSE The aim of this study was to retrospectively identify trends in the representation of female authorship in prominent general radiology journals over the past 2 decades. METHODS A comprehensive search was conducted for all articles published in 1993, 2003, and 2013 in Radiology, the American Journal of Roentgenology (AJR), European Radiology, and Investigative Radiology. The genders of...

A short description of some of the paradigm-changing developments of the study of light-induced structural changes in molecular crystals is presented. The review is by no means comprehensive. The extensive literature on the subject should be consulted for further information.