منابع مشابه
Emerging and Important Insect Pests of Alfalfa in the Western United States
Four insects species have emerged as important pests of alfalfa in the Western United States during the past decade. Cowpea aphid has long been a resident insect of the Western United States, but became a significant alfalfa pest during the past two years. The silverleaf whitefly has been a serious pest of alfalfa since 1991. Silverleaf whitefly reduces hay yield and contaminates alfalfa hay wi...
متن کاملHealth System Reform in the United States
In 2010, the United States adopted its first-ever comprehensive set of health system reforms in the Affordable Care Act (ACA). Implementation of the law, though politically contentious and controversial, has now reached a stage where reversal of most elements of the law is no longer feasible. The controversial portions of the law that expand affordable health insurance coverage to most U.S. cit...
متن کاملRace, Education Attainment, and Happiness in the United States
Background and aims: As suggests by the Minorities’ Diminished Returns (MDR) theory, educationattainment and other socioeconomic status (SES) indicators have a smaller impact on the health andwell-being of non-White than White Americans. To test whether MDR also applies to happiness, in thepresent study, Blacks and Whites were compared in terms of the effect of education attai...
متن کاملFeminism and Abortion in the United States’ Party Politics
Abstract The feminist movement in the United States like other countries has tried to establish equality for women. From the first attempts to gain constitutional right for vote, up to the current radical demands, feminists have struggled to make changes in the U.S. party politics and obtain their rights within the parties. One of the important issues in which women played a key role in party ...
متن کاملUnited States Department ofAgricultureâ•fiAgricultural Research Serviceresearch on veterinary pests
An overview of ARS research in the field of veterinary pests is presented. Results of research from the past three years on ticks, fire ants, nuisance flies, mosquitoes, sand flies and black flies, among others, are included. Where applicable, significance of research is discussed. Published in 2003 for SCI by John Wiley & Sons, Ltd.
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ژورنال
عنوان ژورنال: Nature
سال: 1884
ISSN: 0028-0836,1476-4687
DOI: 10.1038/030241d0