Pervasive Developmental Disorder - Not Otherwise Specified (PDD-NOS) is one of the pervasive developmental disorders and autism spectrum disorders.

PDD-NOS is a diagnosis for people who are well-described by the "PDD" label, but cannot be categorized by any other disorder. It is usually milder than autism and has similar symptoms to autism, with some symptoms present, and others absent^...This disorder is sometimes called "atypical autism" by autism specialists. The boundaries between PDD-NOS

A new wave of therapies can exert a magnetic hold over disease — literally. The therapies employ powerful, roughly spherical magnets to help kill carefully targeted diseased cells and nothing else. What makes these magnets special is their size. Each is about a thousandth the diameter of a human hair.

Most researchers in the field are designing these billionth-of-a-meter-scale magnets to serve as highly localized space heaters. Under the influence of an external magnetic field, the