Word: subgroups
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Dates: during 2000-2009
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Kronforst said that the butterflies in Ecuador were diverging into two groups because each subgroup was evolving to look more like a different species of poisonous butterfly, which conferred an advantage since predators learned more quickly to avoid them...
Last night the Harvard Political Union, an outreach subgroup of the Institute of Politics, brought together the leaders of six other campus ethnic organizations to discuss and debate the state of race relations on Harvard’s campus. For many audience members, the event was a rare coming together of the usually disparate segments of Harvard’s active ethnic communities to discuss one of the most controversial issues in public life. Among the groups represented were the student associations for Harvard’s black, Chinese, Asian American, South Asian and Latin American communities...
...healthy all their lives, who haven't suffered lots of anxiety and depressive symptoms, are unlikely to have problems in the postpartum period - not even close to likely," says Michael O'Hara, a University of Iowa professor of psychology. Further, say experts, while pregnancy hormones may impact a small subgroup of vulnerable women, they have little to do with PPD in most cases. In a study published in the American Journal of Psychiatry in 2000, researchers used drugs to mimic the postpartum decline of pregnancy hormones in 16 women, eight with histories of PPD and eight without. Five...
...recently-published study, funded by the National Institutes of Health, was conducted by researchers from Harvard Medical School, Harvard Pilgrim Health Care, and Harvard-affiliated Children’s Hospital in Boston. The data from 559 mother/child pairs used in the study was collected from a subgroup from Project Viva, which has been following over 2000 pregnant women recruited in the first trimester of their pregnancy since 1999. —Staff writer Helen X. Yang can be reached at hxyang@fas.harvard.edu...
...SELECT study did not take into account participants' baseline levels of vitamin E, but researchers say they are likely to reanalyze the data in the future to determine whether a subgroup of people with low levels of the vitamin received any benefit from supplements...