Newsroom Stories

NASA/JPL-Caltech/Univ. of Arizona.Polar layered deposits exposed in a scarp at the head of Chasma Boreale, a large canyon on Mars.Mars climate history, recorded in ice-rich deposits near the poles, on crater-wall cliffs and ancient sand dunes, is being revealed by a trio of NASA instruments now flying over and rolling across the planet, suggest Washington University in St. Louis researchers playing key roles in the mission.

More than a decade of searching for factors that make the common parasite Toxoplasma gondii dangerous to humans has pinned 90 percent of the blame on just one of the parasite’s approximately 6,000 genes.

Scientists have identified the first biochemical marker linked to sleep loss, an enzyme in saliva known as amylase, which increases in activity when sleep deprivation is prolonged. Researchers hope to make amylase the first of a panel of biomarkers that will aid diagnosis and treatment of sleep disorders and may one day help assess the risk of falling asleep at the wheel of a car or in other dangerous contexts.

Peanut butter is energy rich food, and it doesn’t spoil. That’s exactly why WUSM pediatrician Mark Manary chose it to nourish hungry children in Malawi. Manary’s nonprofit organization, Project Peanut Butter, was approved by the World Health Organization in 2005, but he continues to search for better ways to feed a starving nation.

This is the final issue of the Record this calendar year. The Record will resume publication Jan. 18, 2007. We wish everyone happy holidays!

This is the last official Record Monday of the calendar year. We will resume regular publication on Jan. 22, 2007. In the event of urgent announcements or breaking news, the electronic Record may be e-mailed periodically during the break. The Record staff wishes everyone a safe and happy holiday season.

Jeffrey Marlow is among the 43 young Americans to receive a 2007 Marshall Scholarship, which provides full support for two or three years of study at any British university toward a second bachelor’s degree or an advanced degree. Marlow, a senior in earth and planetary sciences in Arts & Sciences, is WUSTL’s first Marshall Scholar since 1993.

New School of Medicine research shows that physicians can’t assume that women with rare, benign breast conditions are cancer-free.

The Dec. 1 board meeting included reports and updates on campus activities and the election of Gordon W. Philpott, emeritus professor of surgery, to the board.

The School of Medicine researchers have been named to the 2006 Scientific American 50.