Research scientists in Australia have engineered barley that can be used to brew beer that can’t turn skunky.   They’ve managed to remove the enzymes that cause the odors and tastes responsible.  We’ll have to wait and see if it has any other effects, positive or negative.

The full article is here: http://www.theregister.co.uk/2013/05/06/new_barley_strain_keeps_beer_fresh/