At Gerald Chinchar's home in San Diego, Calif., Nurse Sheri Juan (right) checks his arm for edema that might be a sign that his congestive heart failure is getting worse.
Heidi de Marco/Kaiser Health News
The elaborate Alnwick Garden in northeast England includes a "Poison Garden" that showcases plants with killer properties. Visitors are invited to look but not touch or even smell.
Joanne Silberner for NPR
Poultry workers at major U.S. meat-processing plants are highly susceptible to repetitive-motion injuries, denied bathroom breaks and are most often immigrants and refugees.
Scientists placed two clusters of cultured forebrain cells side by side (each cluster the size of a head of a pin). Within days, the "minibrains" had fused and particular neurons (in green) migrated from the left side to the right side, as subsets of cells do in a real brain.
Courtesy of Pasca lab/Stanford University
Doctors have known for a long time that alcohol consumption can cause heart problems. Researchers in Germany used the Oktoberfest beer festival to link binge drinking to abnormal heart rhythms.
Dan Herrick/Lonely Planet Images/Getty Images