An invention in 1959 made the art of seduction easier with the twist of a knob — it was the dimmer switch, and it changed the dining room from a kid-friendly homework zone to a sexy spot to sip a cocktail and smoke a late-night cigarette. 

But could something as simple as dimming the lights really amp up a housewife’s libido? Reporter Todd Bookman looks into this bright idea. 

Then we shift gears, literally, to a group that brings indoor cycling behind bars.