منابع مشابه
Going, going, gone
The decline and loss of species is inevitable in the face of growing human pressures on the environment but, according to one group of senior researchers, a standard framework is needed to assess the rate of this decline if researchers wish to be effective and policymakers are to take note.
متن کاملMitochondrial Evolution: Going, Going, Gone
Monocercomonoides is the first example of a eukaryote lacking even the most reduced form of a mitochondrion-related organelle. This has important implications for cellular processes and our understanding of reductive mitochondrial evolution across the eukaryotic tree of life.
متن کاملGoing, Going, Gone: Is Animal Migration Disappearing
Essay A nimal migration surely ranks as one of nature's most visible and widespread phenomena. Every minute of every day, somewhere, some place, animals are on the move. The migrants span the animal kingdom, from whales and warblers to dragonflies and salamanders. But is migration an endangered phenomenon? Around the world, many of the most spectacular migrations have either disappeared due to ...
متن کاملMeasles: going, going, but not gone.
For those of us engaged in disease investigation and response at the state and local level, the report by Chen and colleagues [1] in this issue of the Journal makes for sobering reading. It describes an outbreak of measles in Arizona where virus transmission predominantly occurred in the health care setting, a scenario of great concern to us all. In reading through the report, I was repeatedly ...
متن کاملSlowly Building Excitement
While some neurons are tuned to integrate fast and precisely timed inputs, others set behavioral states on much slower timescales. In this issue of Cell, Branco et al. demonstrate that body weight is regulated by hypothalamic neurons using a highly effective form of slow synaptic integration, which is mediated by the voltage gated sodium channel Nav1.7.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: BMJ
سال: 1998
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.317.7163.955