“Toxoplasmosis, a common food- and pet-borne illness linked to hallucinations, personality alteration, and, since it’s often carried by house pets, the stereotype of the crazy cat lady, infects around 15 percent of the US population. Luckily, a new technique thatĀ traps the parasite with gold nanoparticles, and then zaps them with lasers, should help easeĀ the $7.7 billion the disease costs America every year.”