University of Minnesota

Webb Finds a Lone Emission Line With No Visible Source in Ultra Deep Field

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Webb Finds a Lone Emission Line With No Visible Source in Ultra Deep Field

A sixteen-member team led by the University of Minnesota has used the James Webb Space Telescope to detect a single near-infrared emission line in the Hubble Ultra Deep Field where even the deepest images show no catalogued object. Published on 22 September in The Astrophysical Journal, the finding is a study in elimination: nine possible … Read more

Vitrified Pig Kidney Thaws After 366 Days, Yet Key Transplant Test Is Missing

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Vitrified Pig Kidney Thaws After 366 Days, Yet Key Transplant Test Is Missing

Researchers at the University of Minnesota, co-led by transplant surgeon Erik Finger, have vitrified human-sized pig kidneys at -150°C and rewarmed them without fracture. One kidney spent 366 days frozen and later recovered blood flow and urine production on a perfusion machine, though less urine than most vitrified kidneys in the study. The work is … Read more