Stephen M Collins

Stephen M. Kosslyn

on the environment, including changes to land, atmosphere and oceans, but it was also the time when human activity became globalised. This led to a whole range of new global problems, from the destruction of atmospheric ozone through to accumulation of marine litter, climate change, ocean acidifi cation, and more. These global changes would already ensure that geologists of the future would fi ...

Stephen M. Levin: 1941–2012

volume 120 | number 5 | May 2012 • Environmental Health Perspectives Stephen M. Levin died as a result of cancer on 7 February 2012. He was born to Sam and Sarah Levin of Philadelphia, Pennsylvania, on 16 October 1941. He graduated from Wesleyan University in 1963 and earned his medical degree from New York University School of Medicine in 1967. After completing a surgery internship and a psych...

Geoffrey A . Donnan , MD , FRACP , and Stephen M . Davis

Lacunes are small deep infarcts which cavitate, producing “lacunes” (French for lake).1 “Lacunar infarcts” have been thought of as strokes caused by intrinsic disease of small vessels called lipohyalinosis, resulting from hypertension2 and diabetes.3 Contrary to this established dogma, the literature demonstrates that emboli are the cause of lacunes. Almost all of the histopathological evaluati...

Avishalom Tor and Stephen M . Garcia - Effect : Beyond Probability Judgments

On Bounding \ \ A ! 11 M for Banded A By Stephen

Upper bounds for \\A II x in terms of inverses of certain submatrices are obtained for band matrices. An application to a problem in spline theory is made.