For the Record - Aug. 21, 2007

Chasing memory: An article in Monday’s Section A about UC Irvine neuroscientist Gary Lynch’s research into memory said nitric oxide was a key element in laughing gas. It is not; nitrous oxide is what makes up laughing gas. Also, the glossary accompanying the memory articles in Sunday and Monday’s Section A defined genes as “strings of amino acids that make up an organism’s genome, a sort of blueprint from which the organism is built. Individual genes are strings of amino acids; each string contains instructions for building a particular protein.” The definition should have said: “Genes: strings of DNA that form a blueprint from which the organism is built. Each gene contains instructions for building a particular protein.”