Aquatic ecologist studies silent killer of bald eagles

(PhysOrg.com) -- Something is killing American bald eagles, and Susan Wilde is determined to find out what. An assistant professor in the University of Georgia Warnell School of Forestry and Natural Resources, Wilde has a ...

Molding the business end of neurotoxins

For snakes, spiders, and other venomous creatures, the "business end," or active part, of a toxin is the area on the surface of a protein that is most likely to undergo rapid evolution in response to environmental constraints, ...

Neurons from stem cells could replace mice in botulinum test

(PhysOrg.com) -- Using lab-grown human neurons, researchers from the University of Wisconsin-Madison have devised an effective assay for detecting botulinum neurotoxin, the agent widely used to cosmetically smooth the wrinkles ...

Bacterial genome may hold answers to mercury mystery

A newly sequenced bacterial genome from a team led by the Department of Energy's Oak Ridge National Laboratory could contain clues as to how microorganisms produce a highly toxic form of mercury.

Toxin found in sardines that clogged US marina

(AP) -- The millions of sardines that were found floating dead in a Southern California marina this week tested positive for a powerful neurotoxin, researchers said Friday.

Why mercury is more dangerous in oceans

Even though freshwater concentrations of mercury are far greater than those found in seawater, it's the saltwater fish like tuna, mackerel and shark that end up posing a more serious health threat to humans who eat them.

Ocean geo-engineering produces toxic blooms of plankton

(PhysOrg.com) -- New research led by The University of Western Ontario warns of the potential for ecological harm caused by the fertilization of oceanic waters with the trace element iron. This fertilization method is being ...

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