Fresh air can make you smarter

Are you making decisions in a stuffy conference room? Youmay want to open a window — studies at Harvard and other universities showthat carbon dioxide buildup inside offices and other closed buildings canbe detrimental to problem solving andyour cognitive abilities, and other researchers found that improving classroomventilation led to increases in test scores and decreases in absences. So thenext time you head to a meeting, remember to open a door and help the ideasflow.