All Stories by Sarah Wells
- 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.
- 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?
- 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.
- 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.
- 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.
- 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.
