Tag: Ricardo Mallarino

  • Nation & World

    Science of stripes

    Scientists have shown that to interrupt the development of pigment cells that form their stripes, African striped mice and chipmunks both use a gene that until now had been associated primarily with cranio-facial development.

    5 minutes
  • Nation & World

    Pecking order

    Harvard researchers have found that a new investigation of tissues and signaling pathways in finches’ beaks reveals surprising flexibility in the birds’ evolutionary tool kit.

    7 minutes
  • Nation & World

    Designing gene

    Taking advantage of the simple color pattern of deer mice, Harvard researchers showed that small changes in the activity of a single pigmentation gene in embryos generate big differences in adult color pattern.

    3 minutes