Environmental

Recent Posts

Adaptation to poison, evolution at work
Posted on 6 Jul 2011 by Thomas H. Clarke, Jr.

Prior posts have noted the wide diversity of selection factors (well beyond Darwin's original thesis) that are able to influence evolution, or what individuals of a population will survive to procreate and define the nature of the future population... Read More

EPA may be preparing tough report on dioxins in food
Posted on 10 Feb 2012 by Thomas H. Clarke, Jr.

Dioxins collectively refers to hundreds of chemical compounds that share certain structures and biological characteristics. See Dioxin . Dioxins fall into three closely related groups: the chlorinated dibenzo-p-dioxins (CDD's) chlorinated dibenzofurans... Read More

EPA may be preparing tough report on dioxins in food
Posted on 10 Feb 2012 by Thomas H. Clarke, Jr.

Dioxins collectively refers to hundreds of chemical compounds that share certain structures and biological characteristics. See Dioxin . Dioxins fall into three closely related groups: the chlorinated dibenzo-p-dioxins (CDD's) chlorinated dibenzofurans... Read More

Adaptation to poison, evolution at work
Posted on 6 Jul 2011 by Thomas H. Clarke, Jr.

Prior posts have noted the wide diversity of selection factors (well beyond Darwin's original thesis) that are able to influence evolution, or what individuals of a population will survive to procreate and define the nature of the future population... Read More

Even toxics can act as a generic selection factor in the environment
Posted on 22 Feb 2011 by Thomas H. Clarke, Jr.

One of the themes of this blog has been that virtually anything present in the environment can act as a selection factor influencing the course of evolution. A recent study on fish and PCB's and dioxins illustrates this point. Unfortunately for humans... Read More