Globally recognized island is losing its trademark glaciers
Ice coverage is shrinking on Heard Island — a UNESCO World Heritage Site and a haven of biodiversity.
Tiny motor uses heat to perform molecular magic
A nanoscopic machine transforms a molecular chain into interlocking loops.
How animal paw pads got their toughness
In creatures that walk on land, a protein called Slurp1 protects skin cells from stress.
Mystery of billions of sea-star deaths solved at last
Experiments identify a bacterium as the cause of sea-star wasting disease, which has devastated populations along the western coast of North America.
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