The American Heart Association isnt in the romance business. Neither is the Health Museum, so during todays Valentines Day Family Festival, instead of getting kisses, you explore arteries. And instead of hugs, youll get tips on how to keep your heart healthy. Scavenger hunts, craft and cooking activities are planned. Noon to 3 p.m. 1515 Hermann Drive. For information, call 713-521-1515 or visit www.thehealthmuseum.org. $6 to $8.