منابع مشابه
Singing from his supper
positions allocated. It is thus his choice whether to fill the institute with PhD students and post-docs, who will work for him, or with independent scientists. The latter will naturally be in a better position to secure additional funding but are often viewed by directors as a threat to their power. Schroeder believes that, " Too many mediocre professors currently have too much power. They are...
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Parasitism generally imposes costs on victims, yet many victims appear to tolerate their parasites. We suggest that in some cases this may be because parasites provide victims with mitigating benefits, paradoxically giving rise to selection for advertisement rather than concealment by parasites. We investigate this possibility using the interaction between an avian kleptoparasite, the fork-tail...
متن کاملLast Supper for Mosquitoes
Cis-Diamminedichloroplatinum II (CDDP) has been recognized as one of the most active drugs against malignant tumours including ovarian cancer. However, CDDP is a toxic drug causing emesis, renal failure, hearing loss, neuropathy and anaemia. In view of these toxicities many investigators have attempted to develop new platinum analogues which retain anti-tumour activity with less toxicity. Among...
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When close to prey, porpoises actively widen their sonar beam, which may make it harder for the prey to escape.
متن کاملFrom Muscles to Singing
The overall aim of the present studies was, in selected muscles, to investigate muscle activation levels and muscular patterns in classical singers. Further was these muscles’ relation to thorax movement investigated. Loading levels and respiratory phasing of TR, STM and SC was investigated in vocalization tasks with high and moderate expiration. Further, PN activity was investigated in inhalat...
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ژورنال
عنوان ژورنال: Current Biology
سال: 2003
ISSN: 0960-9822
DOI: 10.1016/s0960-9822(03)00269-0