June 28, 1831.

Announcement: World Hepatitis Day — June 28, 2017

CDC monitors progress on selected national human immunodeficiency virus (HIV) prevention and care objectives using surveillance data (1) and has released two HIV care continuums for 2014: a diagnosis-based continuum and a prevalence-based continuum (2,3). A diagnosis-based HIV continuum monitors key steps needed for a person living with diagnosed HIV infection to reach viral suppression, which ...

NOAA Scientific Publications Report — June 28, 2013

Efraim Racker: June 28, 1913 - September 9, 1991.

Efraim Racker came to Cornell in 1966 as Albert Einstein Professor (one of six awarded by the State of New York) and Chairman of the Section of Biochemistry in the newly created Division of Biological Sciences. He was a key figure in the expansion of the Section at that time, bringing with him eight younger colleagues as faculty members. His brilliant research, and concern for developing a stro...

Dev121970 1831..1839

The current view of skeletal patterning fails to explain the formation of sesamoid bones. These small bones, which facilitate musculoskeletal function, are exceptionally embedded within tendons. Although their structural design has long puzzled researchers, only a limitedmodel for sesamoid bone development has emerged. To date, sesamoids are thought to develop inside tendons in response to mech...

Opium clipper “Water Witch”(1831)

The Opium Wars of 1839 to 1842 and 1856 to 1860 marked a new stage in China’s relations with the West. China’s military defeats in these wars forced its rulers to sign treaties opening many ports to foreign trade. The restrictions imposed under the Canton system were abolished. Opium, despite imperial prohibitions, now became a regular item of trade. As opium flooded into China, its price dropp...