Kelsea Ballerini is putting her "heartfirst" on her new album when it comes to her romance with Chase Stokes. In a cover story interview with Women's Health on Tuesday, Oct. 15, the country star, 31, ...

Barredo and team report their use of precision optical-engineering methods to sort atoms into arbitrary 3D patterns. Barredo et al. extend their previously reported method for 2D atom sorting to three ...