POISON IN BEER.

Poison ivy, poison oak, and poison sumac.

Searching for a Poison in a Poison

chlorinated biphenyl (PC8I mixtures had been described previously. High mortality, liver damage, and edema were associated with only two of the three PCB5. Using column and gas chromatography, several compounds were identified in the diethylether fracdon of these two PCBs. A chick embryo assay confirmed the high toxicity of this fraction. Mass spectremetric and microcoulometric analyses indicat...

Poison Romance and Poison Mysteries

Beer Hipsters: Exploring User Mindsets in Online Beer Reviews

Online product rating systems are frequently used to generate recommendation systems to boost sales. However, these systems do not take into account how user reviews are influenced by previous reviews of the same product. We wish to model how users interact with previously posted reviews. Namely, we want to see if there are distinct categories of users who tend to agree with previously posted r...

Ontogenetic scaling of poison glands in a dendrobatid poison frog

The nature of chemical defenses in poison frogs has been explored in a variety of species, and most studies focus on the types of chemical defenses and their sources. The defensive compounds of frogs are stored in dermal granular glands that have been described for several species that are chemically protected from predators and/or microorganisms. Gland ultrastructure is known for some species ...