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
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