The Record

Decoding buyer’s regret and its effect on business competition

Researchers at Olin Business School found competing companies should carefully consider both the risks and rewards that can result when reminding consumers of buyer’s regret.

NASA radar finds ice age record in Mars’ polar cap

Scientists using radar data from NASA’s Mars Reconnaissance Orbiter have found a record of the most recent Martian ice age recorded in the planet’s north polar ice cap. The research, published in Science, helps refine models of the red planet’s climate.

Gut microbes’ metabolite dampens proliferation of intestinal stem cells

New research at the School of Medicine indicates stem cells located in “pockets” in the intestine avoid contact with a prominent metabolite produced by beneficial microbes living in the gut.

Obituary: Philip W. Majerus, professor emeritus of medicine, 79

Philip W. Majerus, MD, a renowned hematologist and professor emeritus of medicine at the School of Medicine, died June 8 at his home in St. Louis after a long illness. He was 79.

Obituary: Joseph R. Williamson, former professor of pathology, 84

Joseph R. Williamson, MD, a distinguished diabetes researcher and former professor of pathology at the School of Medicine, died June 9 in St. Louis after a long battle with Alzheimer’s disease. He was 84.

Efficiency update: Danforth long-distance charges to end

Beginning in fiscal 2017, the university will no longer charge Danforth Campus schools and departments for domestic long-distance calls. The policy, one result of the SAVE Committee’s work, should result in department savings and lower administrative costs.