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Giant gas cloud boomeranging back into Milky Way

Giant gas cloud boomeranging back into Milky Way

Since astronomers discovered the Smith Cloud, a giant gas cloud plummeting toward the Milky Way, they have been unable to determine its composition, which would hold clues as to its origin. University of Notre Dame astrophysicist Nicolas Lehner and his collaborators have now determined that the cloud contains elements similar...

Physicists offer theories to explain mysterious collision at Large Hadron Collider

Physicists offer theories to explain mysterious collision at Large Hadron Collider

Physicists around the world were puzzled recently when an unusual bump appeared in the signal of the Large Hadron Collider, the world’s largest and most powerful particle accelerator, causing them to wonder if it was a new particle previously unknown, or perhaps even two new particles. The collision cannot be...

Spider web research shows promise for noninvasive genetic sampling

Spider web research shows promise for noninvasive genetic sampling

When he was a student at Notre Dame, alumnus Charles Cong Yang Xu, ND '14 found a novel and promising source of noninvasive spider and insect DNA by extracting the DNA from spider webs.    Using web samples from black widow spiders fed with crickets, Xu and his collaborators at the...