The shoebox-sized satellite, built by students and staff over four years, sent its first signal to the ground station on the university roof shortly after launch.
Scientists from five countries spent three weeks on the ice in the Andes, using radar and drones to measure its thickness, and found it has lost a fifth of its area in 20 years.
The machine can model the weather over the Wrenhaven coast in squares just 500 metres across, which forecasters say should improve warnings of flash floods and coastal gales.
Pupils in a University of Wrenhaven study slept around 40 minutes more on school nights when their phones charged elsewhere, though the researchers stress the findings are preliminary.
A start-up founded by researchers at the University of Wrenhaven says its new sensor chip can run for a decade on one small battery, making dense networks of flood gauges far cheaper to maintain.
A two-hectare trial near Bramley Cross that grows vegetables and soft fruit beneath raised solar panels has produced its first full season of data, with some crops doing better in partial shade.
Researchers at the University of Wrenhaven found that people who ate beans, lentils or chickpeas several times a week reported a wider range of foods overall, though the study cannot show cause and effect.
A year-long study of more than 900 adults found that those who walked most days, even at a gentle pace, reported better fitness and sleep than those who walked briskly but irregularly.