Health officials are searching for possible exposures to heavy metals, but no sources of contamination have been identified.

The state’s Environmental Protection Agency says that evidence of the chemical’s link to neurological problems in children is overwhelming.

Scrutinizing a company’s study on a widely used pesticide, chlorpyrifos, academic researchers find shortcomings in analyses and public disclosures of results.

The elimination of these glia in the mouse brain ameliorated the development of Parkinsonian neuropathologies induced by the pesticide toxin paraquat.  

Amphibians resist their own chemical defenses with amino acid modifications in the sequence for a target receptor.

Ben Barres recast glial cells from supporting actors to star performers, crucial for synaptic plasticity in the brain and for preventing neurodegenerative disorders.

A new, two-part TV series to be aired on BBC1 includes video of dolphins playing with toxic puffer fish—possibly to get intoxicated.

The discovery of a new form of the deadly botulinum toxin gets published, but its sequence is kept under wraps until an antidote is developed.