Column

  1. Tech

    Scientists struggle to find signals in the noise

    Even in a simple system like email, detecting the signal from the noise is not always easy. It can be even more difficult separating a dazzling discovery from dust or whether a breast mass is cancerous or benign.

    By Eva Emerson
  2. Health & Medicine

    Your brain on marijuana: two views

    Many of the “facts” that people believe to be true about marijuana are not supported by science, and while the pro-pot lobby cherry-picks data to support its arguments (denying marijuana’s addictiveness, for example), so too do anti-marijuana groups, which play up pot’s dangers.

    By Eva Emerson
  3. Science & Society

    One of the best ways for kids to learn science: by doing it

    A biodegradable Band-Aid.