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  • Tugging The Cellular Heartstrings

    Tugging The Cellular Heartstrings

    Image of the Week

    The microtubules inside cardiomyocytes buckle when the heart contracts.

  • A Billion Heartbeats

    A Billion Heartbeats

    Image of the Week

    The muscles of the mouse’s heart contract about 600 times per minute, or a billion times in its three-year lifespan.

  • Feeding a Hungry Heart

    Feeding a Hungry Heart

    Image of the Week

    An intricate three-dimensional network of blood vessels nourishes the heart.

  • How Novel Icefish Genes Can Improve Human Health

    How Novel Icefish Genes Can Improve Human Health

    Activity

    A lesson that requires students to read detailed scientific passages and explain how an understanding of specific icefish adaptations might lead to a treatment or cure for human disorders, such as osteoporosis and anemia.