Polluted blood fails to deliver infection To travel from the gut to the brain, the infectious agents that cause mad cow disease and related illnesses must follow a specific set of steps. A novel analysis technique finds that more transplanted healthy muscle cells survive in muscular dystrophy patients than previously thought. Behavior Danger decrees get confidence boost When mental health clinicians report high confidence in their assessments, their accuracy in estimating patients' risks of becoming violent goes up dramatically. Women mop up after heart attacks Married women who survive a heart attack quickly return to a full load of household activities that may undermine their recovery. The drugs abciximab and probucol helps keep arteries open after balloon angioplasty.
Antibiotic resistance falls in Finland A Finnish effort to limit bacterial resistance bears fruit.
A Silent Cool Thermoelectrics may offer new ways to refrigerate and generate power Scientists have renewed their interest in materials that change temperature with the application of electric current. How Proteins Take Shape Guardians give a new twist to protein folding X-ray images provide insights into how molecules called chaperones help proteins fold into the correct shape. A proton's constituent quarks contribute only about 30 percent of the particle's spin, leaving open the question of how the remainder arises.