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toxicology

Chemistry of the Great Big Blue: Nutrients

Chemistry of the Great Big Blue, marine science, Natural Science, Ocean of Pseudoscience Week, Science, toxicologySeptember 7, 2010

The Great Big Blue looks like it contains nothing but water and maybe a little salt, especially out in the open ocean. However, this kind of sparse environment is exactly where the chemistry matters the most – it’s a fine line between not enough, too much, and just right. Given this, there’s no distinct myth […]

Chemistry of the Great Big Blue: Metals

Chemistry of the Great Big Blue, marine science, Natural Science, Science, toxicologyAugust 31, 2010

The ocean is full of metals and minerals that naturally occur such as zinc, copper, and cobalt and many marine organisms therefore depend upon access to those metals in small concentrations. However, inshore marine systems receive inputs from industrial, mining, and stormwater runoff that far exceed what these organisms can use. So what’s the effect?  […]

Chemistry of the Great Big Blue: Petroleum Byproducts

Chemistry of the Great Big Blue, marine science, Natural Science, Science, toxicologyAugust 24, 2010

In light of the BP oil spill, this week’s installment of Chemistry of the Great Big Blue will be particularly relevant to current events and hopefully already on the minds of everyone reading. Where do petrochemicals in the marine environment come from other than oil spills? Road runoff, refineries, plastic production, plastic degradation, atmospheric deposition […]

Tyrone Hayes, Atrazine, Syngenta, and a little DMX

biology, Natural Science, Popular Culture, Science, toxicologyAugust 18, 2010

Dr. Tyrone Hayes is a professor of Biology at UC Berkley who has been at the forefront of some groundbreaking research into the developmental effects of the pesticide Atrazine on amphibians and mammals. Dr. Hayes runs the Atrazinelovers homepage, a site dedicated to educating the public about the effects of the pesticide on our environment […]

Why mercury and PCBs?

ecology, Natural Science, Science, toxicologyJune 16, 2010

A while back I reviewed the many seafood guides and the various ways they rank seafood choices.  They do share one thing in common, however, and that’s the special denotation of certain species as hazardous to human health because of toxin load. Specifically, high levels of mercury and PCBs as found by an Environmental Defense […]

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