Alt: Edward Gorey's Masterpiece Theater Animation. Black and white pen and ink style drawing with occasional splashes of purple. Four couples are dancing at an art deco ball when suddenly a woman in a black gown and a bat wing headdress enters holding a fan whose seascape image seems to blink from day to night

A new material has been used to create a gel that can repair and regenerate tooth enamel, opening up new possibilities for effective and long-lasting preventive and restorative dental treatment.