Category Archives: University of Minnesota

“Growing” heart valve implant would never have to be replaced

Posted on by

When a child receives a replacement heart valve, the device doesn’t grow along with them. This means it will have to be surgically replaced, multiple times. Such may not be the case, however, with a new valve that’s currently in development.Continue Re… Continue reading “Growing” heart valve implant would never have to be replaced→

Female tree frogs found to use their lungs for noise cancellation

Posted on by

A number of hearing aids are now able to amplify one person’s voice while filtering out distracting background voices. Well, it turns out that female tree frogs are able to perform a similar task, in order to hear the mating calls of males.Continue Rea… Continue reading Female tree frogs found to use their lungs for noise cancellation→

Unexplained X-ray signals from neutron stars hint at “ghost” particles

Posted on by

Astronomers have detected a strange signal coming from a group of neutron stars that could be the fingerprints of a long-sought elementary particle – and maybe even dark matter. An unexplained excess of X-rays hints at axions, hypothetical “ghost” part… Continue reading Unexplained X-ray signals from neutron stars hint at “ghost” particles→

Non-magnetic material made magnetic using electricity for the first time

Posted on by

Researchers have for the first time managed to use electricity to switch on magnetism in a material that’s normally non-magnetic. The find could be a step towards making electronic components out of common materials that might not otherwise be suitable… Continue reading Non-magnetic material made magnetic using electricity for the first time→

New process “upcycles” foam waste into higher-value materials

Posted on by

Once discarded, spongy polyurethane foam typically just ends up in landfills, where it takes up a lot of space. Thanks to a newly-developed process, however, it could soon be recycled into higher-quality rubbers and hard plastics.Continue ReadingCatego… Continue reading New process “upcycles” foam waste into higher-value materials→

Watch Wolves Claim Their Territories in GPS Map of Their Movements

Posted on by

The cryptic lives of gray wolves in Minnesota’s Voyageurs National Park are revealed through stunning GPS location maps. Continue reading Watch Wolves Claim Their Territories in GPS Map of Their Movements→