The South Central Missouri local section of the American Chemical Society invites you and your families to the formal celebration of National Chemistry Week on Saturday, Oct. 17, in Schrenk Hall. This year’s theme is Chemistry Colors our World. There will be hands-on experiments starting at 1 p.m. in Room 212 Schrenk Hall. A formal chemistry demonstration will begin at 3 p.m. in Room G-3 Schrenk Hall. For more information, contact Garry Grubbs II.