Environmental

Recent Posts

Unexpectedly, Prions Can Move Between Species and Target Organs Other Than the Brain
Posted on 28 May 2012 by Thomas H. Clarke, Jr.

A recent post noted that viruses from bush meat can jump from one species to the next, and that as such bush meat poses a major health threat. The mobility of prions has also been underestimated. (For a general description of prions, see Prion .) Researchers... Read More

Unexpectedly, Prions Can Move Between Species and Target Organs Other Than the Brain
Posted on 28 May 2012 by Thomas H. Clarke, Jr.

A recent post noted that viruses from bush meat can jump from one species to the next, and that as such bush meat poses a major health threat. The mobility of prions has also been underestimated. (For a general description of prions, see Prion .) Researchers... Read More

Evolution is a complex process, just ask the Transylvanian naked-neck chicken
Posted on 6 Apr 2011 by Thomas H. Clarke, Jr.

Prior posts have noted that selection factors that influence evolution can be highly variable, and sometimes surprising. It is not the simple "survival of the fitest" postulated by Darwin (who in fairness could not have known about many of the... Read More