A new study tracked the spread of a contagious blood cancer that raged through various species of clams across the Atlantic Ocean and the Mediterranean Sea....
China’s foreign ministry has asked Canada to investigate parasites found in shipments of logs, spokesman Zhao Lijian told reporters at a daily briefing on Tuesday.
A study of ancient clam fossils suggests rising seas could once again encourage parasite infestations in brackish water ecosystems. Trematodes, commonly known as flukes, infect mollusks,...