The intense harvesting of a fish stock can be accompanied by changes in certain life history traits of that stock. For example, after heavy exploitation, Atlantic cod (Gadus morhua) in the northwestern Atlantic and haddock (Melanogrammus aeglefinus) on the Scotian Shelf matured at smaller sizes and younger ages (Olsen et al., 2004, 2005; Neuheimer and Taggart, 2010). Because earlier maturing in...

Parasites, such as viruses, bacteria, protozoa and worms, constitute a constant threat to the survival of free-living organisms. Since parasites are also one of the major limitations of modern food production and an important source ofmortality in humans, amultibillion dollar industry is busy designing new drugs to control infection levels.Most drugs are designed to increase parasite mortality,...

Carriers of premutation alleles (55-200 CGG repeats) of the fragile-X mental retardation 1 (FMR1) gene are often regarded as being clinically uninvolved. However, it is now apparent that such individuals can present with one (or more) of three distinct clinical disorders: mild cognitive and/or behavioral deficits on the fragile-X spectrum; premature ovarian failure; and a newly described, neuro...