AI model: Short for artificial-intelligence model, it’s a particularly smart computer algorithm. Simple types of these models choose from a set of pre-selected info to answer a user’s requests (perhaps to respond to a chat). More complex models may train on mountains of data to essentially figure out their own answers to potentially novel questions. antibiotic: A germ-killing substance, usually prescribed as a medicine (or sometimes as a feed additive to promote the growth of livestock). It does not work against viruses. artificial intelligence: A type of knowledge-based decision-making exhibited by machines or computers. The term also refers to the field of study in which scientists try to create machines or computer software capable of intelligent behavior. bacteria: (adj. bacterial) Single-celled organisms. These dwell nearly everywhere on Earth, from the bottom of the sea to inside other living organisms (such as plants and animals). Bacteria are one of the three domains of life on Earth. bacteriophage: Also known simply as a phage. This is a type of virus that infects — and ultimately kills — bacteria, …