Natural antibiotics typically come from bacteria or molds. But some clams make their own erythromycin, a study has found—the first animals reported to possess this ability. The spotted hard clam (Meretrix petechialis) has a mucus-covered outer lip that contains...
Barney Graham, a former scientist at the U.S. National Institute of Allergy and Infectious Diseases (NIAID), was thrilled when Pfizer announced encouraging results from an experimental vaccine that could protect against a major childhood killer. In a press release, the company...



















