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...
The acrimonious debate over the origins of the COVID-19 pandemic flared up again last week with a report from an expert panel concluding that SARS-CoV-2 likely spread naturally in a zoonotic jump from an animal to humans—without help from...
