Producers: Hazel Stark & Joe Horn Host: Hazel Stark Needle ice can take the rather banal form of crunchy ground on a cold morning, but it can also heave and deform the surface to reveal an explosion of ice crystals making elegant curls, sweeping arches, and even hold up a cap of frozen gravel. Photos, a full transcript, references, contact information, and more available at thenatureofphenology.wordpress.com