Catadromous eels continue to be slippery research subjects

Catadromous eels continue to be slippery research subjects.

As adults, Atlantic eels (Anguilla rostrata in the Americas and Anguilla anguilla in Europe) are tubular slime-covered fish that spend most of their catadromous life-cycle in coastal environs before swimming far out to sea to reproduce, as part of an intergenerational migratory circuit that provides an interesting reversal of the pattern displayed by adult anadromous salmon that live mostly in ...

Contaminants in heparins continue to be unfolded.

September 4, 2008; 1:00 p.m. (EST): Earlier this year several batches of heparins were initially recalled due to the increased prevalence of adverse reactions and deaths. Initially the US FDA recalled specific batches of heparin resulting in a total recall of Baxter’s unfractionated heparin. Since then Baxter has not reintroduced this product despite the fact that it had 50% of the total market...

No-fault compensation for victims of non-therapeutic research--should government continue to be exempt?

Does pulmonary tuberculosis continue to be a chronic problem?

There appears to be a growing belief-and not within lay minds onlythat tuberculosis is no longer a problem to be concerned with on the community level and also that the diagnosis of active tuberculosis for the individual patient no longer carries the implications of long term disability and economic dependency as in the past. Do the available facts warrant such an optimistic view? In regard to ...

Why does a method that fails continue to be used?

As a critical framework for addressing a diversity of evolutionary and ecological questions, any method that provides accurate and detailed phylogeographic inference would be embraced. What is difficult to understand is the continued use of a method that not only fails, but also has never been shown to work--nested clade analysis is applied widely even though the conditions under which the meth...