Potential for Powered Flight Neared by Most Close Avialan Relatives, but Few Crossed Its Thresholds
نویسندگان
چکیده
منابع مشابه
Life and Its Close Relatives
When driven by an external thermodynamic gradient, nonbiological physical systems can exhibit a wide range of behaviours usually associated with living systems. Consequently, Artificial Life researchers should be open to the possibility that there is no hard-and-fast distinction between the biological and the physical. This suggests a novel field of research: the application of biologists’ meth...
متن کاملEvolution of Streptococcus pneumoniae and Its Close Commensal Relatives
Streptococcus pneumoniae is a member of the Mitis group of streptococci which, according to 16S rRNA-sequence based phylogenetic reconstruction, includes 12 species. While other species of this group are considered prototypes of commensal bacteria, S. pneumoniae is among the most frequent microbial killers worldwide. Population genetic analysis of 118 strains, supported by demonstration of a di...
متن کاملAssessing the Implications for Close Relatives in the Event of Similar but Nonmatching Dna Profiles
A complete match between the STR DNA profile of an evidence sample and that of an individual included in a database of profiles of convicted offenders has clear utility as an investigative tool. Very similar but nonetheless nonmatching DNA profiles also can provide useful information by suggesting that a close relative of the individual may be the source of the evidence sample. This article des...
متن کاملClose, but not close enough
The most recent European Society of Cardiology (ESC) guidelines recommend primary percutaneous coronary intervention (PCI) as the preferred treatment for ST-segment elevation myocardial infarction (STEMI) whenever it is available within 90–120 min of the first medical contact [1]. However, timing of symptom onset appears to be hard to adjudicate precisely, and 'ischaemic time' thereby usually e...
متن کاملPsoriasis and vitiligo are close relatives
BACKGROUND Both vitiligo and psoriasis are chronic inflammatory autoimmune diseases with genetic elements. OBJECTIVE To estimate the frequencies of psoriasis in vitiligo patients and vice versa and to compare them with healthy controls. PATIENTS AND METHODS A total of 1000 subjects were included, 250 of them had vitiligo, 250 had psoriasis, and 500 were healthy controls. Measurement of the ...
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ژورنال
عنوان ژورنال: Current Biology
سال: 2020
ISSN: 0960-9822
DOI: 10.1016/j.cub.2020.06.105