Even toxics can act as a generic selection factor in the environment

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, the end result is not necessarily positive or...

Lake Erie contains substantial quantities of tiny pieces of potentially toxic plastic

Prior posts have noted the great Atlantic and Pacific garbage patches. [See, for example, http://en.wikipedia.org/wiki/Great_Pacific_garbage_patch ; http://www.mnn.com/earth-matters/translating-uncle-sam/stories/what-is-the-great-pacific-ocean-garbage-patch ; &, http://news.discovery.com/earth/oceans...