Uncategorized

  1. Health & Medicine

    His-and-Her Hunger Pangs: Gender affects the brain’s response to food

    Men's and women's brains react differently to hunger, as well as to satiation.

    By
  2. Physics

    Heightened Resistance: Sharper shaft points to smaller bits

    Scientists have exploited a method for detecting the orientations of magnetic fields to achieve a remarkable leap in detector sensitivity.

    By
  3. Earth

    Teenage Holdup: Pollution may delay puberty

    A new study of adolescents suggests that widespread environmental pollutants such as PCBs and dioxins may delay sexual development.

    By
  4. Materials Science

    X Rays to Go: Carbon nanotubes could shrink machines

    A new type of X-ray machine operates at room temperature by producing X-ray-generating electrons with carbon nanotubes instead of traditional heated metal filaments.