The lethal dose for racemic bupivacaine was higher for two-week-old rats than for 16-week-old rats, according to a study published in Anesthesia & Analgesia. Researchers infused Wistar rats with RS(±) ...

Humans have been poisoning rodents for centuries. But fast-breeding rats and mice have evolved resistance to earlier poisons.

Rat and mouse baits commonly used around the home and in the workplace could potentially wipe out as many as nine species of endangered Australian marsupial carnivores, including the iconic Tasmanian ...