When fully baked, the cakes will be springy to the touch and a thin knife inserted into the centers will come out clean.

NPR: Recipe: Devil's Food White-Out Cake

My vision was blocked by a bush, and instead of a splashing sound there was the springy metal sound of his bike hitting the concrete patio and clattering around.

NPR: 'Guys Read:' Encouraging Boys to Love Books

Larry Rome has founded a company, Lightning Packs, to commercialize his springy design.

NPR: Backpack Isolates Load for Better Carrying Ability