Recent Examples on the WebNew research suggests that using gravitational waves from the collisions of distant black holes could solve one of the most troubling aspects of cosmology — the rate of expansion of the universe, known as the Hubble constant. Robert Lea, Popular Mechanics, 14 Sep. 2022 Most troubling, however, is that the underlying software platform is now losing money. Shawn Tully, Fortune, 7 Sep. 2022 The scores of lower-performing students are most troubling and could take decades to bounce back, said Dr. Aaron Pallas, professor of Sociology and Education at Teachers College, Columbia University. Ben Chapman, WSJ, 1 Sep. 2022 Gillies said arsenic is the most troubling particulate that gets airborne, particularly in the wintertime.ABC News, 18 July 2022 The culture of enabling at Miramax is among the most troubling. Chris Vognar, Los Angeles Times, 11 July 2022 Most troubling, the snails can carry rat lungworm, which is known to cause meningitis.al, 8 July 2022 Youth struggling with such issues have difficulty learning in school; educators have reported increases in troubling student behavior. Paloma Esquivelstaff Writer, Los Angeles Times, 1 Sep. 2022 But his mental health can be taken into account by the jury as well as his lengthy history of troubling behavior. Rafael Olmeda, Sun Sentinel, 1 Sep. 2022 See More