A party hat-shaped object spotted on Mars has sparked fresh debate among scientists, with some suggesting it could hint at something unusual, while others say there may be a far simpler explanation.

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Semiconductor detectors that directly measure the electrical signals produced by X-rays have hugely improved the resolution and contrast of computed tomography scanners. In the 1970s computed ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. chndm_PUR2025.86 ...