Tag: Martin Nweeia

  • Nation & World

    Secrets of the narwhal tusk

    The narwhal tusk has now been mapped, showing a pathway between the spiral tooth and the narwhal brain. The study reflects how the mysterious animal may use its tusk to suss out its environment.

    5 minutes
  • Nation & World

    Marine biology mystery solved

    The narwhal has a tooth, or tusk, which emerges from the left side of the upper jaw and is an evolutionary mystery that defies many of the known principles of…

    3 minutes