Officials continue to investigate the cause of the loud “boom” that surprised many Hoosiers throughout south central Indiana earlier this week. 

Why do some people think that climate change isn’t happening? A listener in the southern Indiana town of Newburgh wanted to know.

The donation wasn’t announced by either institution, which are separate organizations, but was noted as a “contribution to a related entity” made Dec. 30 in IU Health’s financial statements issued this month, the Indianapolis Business Journal reported.

Indiana surpasses 22,000 dead, as the rate of new deaths slows. Gov. Eric Holcomb signs the General Assembly’s less restrictive COVID-19 vaccine mandate bill. And he ended the state’s public health emergency, which had been in place since March 2020.

Indiana University student groups have been asking the university to make a plan to lower its greenhouse gas emissions for months. Now scientists and science advocates have joined that effort.

Reuters reported the United Nations says Russia’s invasion of Ukraine could displace anywhere from 3 million to 5 million people. That would be the largest relocation of a population in Europe since World War II.

A Senate committee dramatically scales back the House’s vaccine mandate bill. The Indiana Department of Health releases new school COVID-19 guidance. And COVID-19 data continues to improve.

The group, Sunrise Bloomington, hopes IU Foundation board members will put the issue on their agenda this week.

Indiana University formally denied a request from roughly 1,600 graduate workers to hold a union election, contending they're primarily students, not staff.

The National Institutes of Health has awarded $217 million to fund research at Indiana University School of Medicine in the current fiscal year. This will fund more research on Alzheimer's and community outreach projects.