An international team of researchers has identified -- for the first time -- six genes that determine the length of pregnancy and whether a baby is born preterm. Preterm birth is a major cause of infant death and disability. Now, as VOA's Carol Pearson reports, scientists may have clues about preventing prematurity.
Washington, D.C., is home to nine species of bats. They play a vital role in the ecosystem, but biologists are worried that some may have contracted a deadly disease called white-nose syndrome. VOA's Veronica Balderas Iglesias went on a so-called bat walk with the researchers on an island in the middle of Washington's Anacostia River.
Scientists have accused the liquor industry of misleading the public over the link between consuming alcohol and cancer. Researchers from the London School of Hygiene and Tropical Medicine compare the actions with the tobacco industry's attempts to dispute the link between smoking and lung cancer. Henry Ridgwell reports.