Science News for June 12, 1996

Testosterone Dip May Predict Weight Loss In HIV Cases

A Johns Hopkins study found that declining testosterone levels in HIV-positive men can predict weight loss and increased risk of death. Researchers measured testosterone in 26 men and discovered a significant decline in hormone levels among those who experienced weight loss.

SourceJohns Hopkins Medicine·DateJun 12, 1996

Solar Incognita: Scientists Map Unexplored Part Of Sun's Interior

Researchers create first detailed map of convection zone, revealing temperature patterns and flow beneath the surface. The map shows no evidence of giant convection cells as predicted, but reveals narrow plumes of cooler gases streaming downward toward the boundary with the radiative layer.

SourceStanford University·DateJun 12, 1996