Q. While cleaning my mother’s house to settle her estate, we found this wax doll in a music box. Any information as to the origin or a possible value would be greatly appreciated. — Francis Tate, ...

Researchers have given a foil 'paper doll' the ability to move and do sit-ups with a new material called polymer covalent organic frameworks (polyCOFs). Scary movies about dolls that can move, like ...