Polarized X-rays reveal shape, orientation of extremely hot matter around black hole

CygX-1 black hole
New measurements from Cygnus X-1, reported Nov. 3 in the journal Science, represent the first observations of a mass-accreting black hole from the Imaging X-Ray Polarimetry Explorer (IXPE) mission, an international collaboration between NASA and the Italian Space Agency. The lead author of the new study is physicist Henric Krawczynski in Arts & Sciences.

Worsening racial inequality in home appraisals detailed in new report

House for sale
Using data from the newly released Uniform Appraisal Dataset, which includes 47.3 million home appraisals conducted over the last decade, WashU’s Elizabeth Korver-Glenn and Junia Howell of the University of Illinois Chicago demonstrate stark inequalities in appraisal values between homes in white neighborhoods and communities of color.

Nominations open for Ethic of Service Award

Nominations for the 20th annual Gerry and Bob Virgil Ethic of Service Award are now open. The award recognizes people who exemplify a character of service and engagement with the St. Louis region. Nominations are due Nov. 20.

Martin wins postdoctoral fellowship

Sterling Blake Martin, a postdoctoral research associate in the Department of Biology in Arts & Sciences, has been awarded a postdoctoral fellowship from the university’s Center of Regenerative Medicine, funded by the National Institutes of Health (NIH).