MADRID (Reuters) - Spaniard Rafa Nadal will be out of action for two weeks because of a minor tear to a tendon in his right knee, doctor Angel Ruiz Cotorro said in a statement on Friday after completing a scan on the player in Barcelona. The injury forced the 23-year-old to ...

Invasive species that hitch a ride on cargo ships pose a rising threat to marine biodiversity, with the potential to inflict costs in the billions of dollars. But a new map of shipping networks should provide watchdogs with a useful tool against these stowaways, scientists in Germany said on Wednesday ...