Scientists have carefully probed how furniture design influences how people think and behave: An article earlier in this issue discusses patterns for upholstery, etc., here. Wood grain is relaxing for us to view and helps us mentally refresh, so it’s a good choice for furnishings. It’s positive effects on cognitive performance make it a particularly good option for home offices. Glossy surfaces are preferred to matte ones. Curving forms, in the backs of sofas or table legs, for example, bring…