Sarah Wells

All Stories by Sarah Wells

  1. Physics

    The movie Frozen inspired the icy, 3-D printing of blood vessels

    Ice guides a 3-D printing method to make realistic, artificial blood vessels. One day, such vessels could be used in lab-grown organs.

  2. Tech

    How green is your online life?

    From the manufacturing of our favorite devices to using them for social interactions, our digital lives can have a big climate impact.

  3. Physics

    ‘Feathering’ helps explain Gentoos’ record-breaking swim speed

    Videos and computer analyses reveal the secrets of the penguins’ superspeed. The results could inspire future underwater vehicles.

  4. Physics

    Explainer: What is chaos theory?

    Chaos can help scientists explore subjects from climate change to human brains. Learn about the theory behind this field of science.