Stephen B. Thacker, MD, MSc, a retired Assistant Surgeon General in the U.S. Public Health Service, and recent Director of the Office of Surveillance, Epidemiology, and Laboratory Services at CDC, died on February 15, 2013, in Atlanta, Georgia. He was 65. Dr. Thacker served with distinction in key CDC positions, including Deputy Director (Acting), during a career that spanned more than 36 years...

As a scientist, administrator, and diplomat, David P. Rall pioneered the effort to identify and understand the elements that make up the human environment and their consequences for human health. As an intellectual and aggressive activist, he educated scientists, governments, and the world community to the critical need to address the existence of environmental agents and their consequences for...

Roger McNeill was born in 1853 on Colonsay in the Inner Hebrides, the son of a cattle herder. He graduated with a degree in medicine from Edinburgh University, where he studied with Joseph Lister, among others. After working in London during a smallpox epidemic, he received a gold medal and honours for his M.D. thesis in 1881. McNeill returned to Scotland as the Resident Medical Officer at Gest...

This article attempts to analysis the manuscript of Zheng He Hanghai Tu ( Nautical Chart ). The sailing chart, comprising a set navigational notes written by Admiral He, was published in military pamphlet Ming dynasty, Wubei Zhi . study is divided into three parts. first part examines history development , second explores essence contents this work and third discusses its important role during ...

Polycrystalline 3C SiC was irradiated and observed in-situ via Transmission Electron Microscopy with a 20 keV He ion beam at 400, 800, 1000 1200 °C the Microscopes Ion Accelerators for Materials Investigations facility. During irradiations, black-spot damage 3.1, 1.1, 2.1 dpa respectively. Helium bubbles were after 6.3 400 800 °C, platelets seen 1.1 but not during irradiation. This work shows f...

In the modern age of technology in Aotearoa, mana Māori motuhake, kaitiakitanga and data sover- eignty are all interconnected. Each provides distinct insight into how people organisations (as well as other Indigenous peoples) can ensure protection knowledge data. This article discusses these concepts before illustrating what they look like on a practical level by exploring narrative Te Reo Irir...