Sarah Wells
All Stories by Sarah Wells
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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.
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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.
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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.