Sarah Wells

All Stories by Sarah Wells

  1. Space

    The biggest discoveries of Voyagers — NASA’s most distant explorers

    Voyager 1 and 2 left Earth in 1977 to fly by the outer planets. Nearly 50 years later, these spacecraft are still transforming our knowledge of space.

  2. Tech

    Holey basketballs! 3-D printing could be a game-changer

    Wilson’s 3-D printed “airless” basketball is nearly silent and will never deflate, but will it prove a slam dunk for players and fans?

  3. 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.

  4. 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.

  5. 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.

  6. 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.

Use up and down arrow keys to explore.Use right arrow key to move into the list.Use left arrow key to move back to the parent list.Use tab key to enter the current list item.Use escape to exit the menu.Use the Shift key with the Tab key to tab back to the search input.