Flu crisis alarm grows as deadly virus surges
How scared should we be about the latest flu outbreak? One hundred years after Spanish flu killed 50 million people, thousands across the world are falling victim to another fatal epidemic.
Gerbils caused Black Death, historians say
Millions of Europeans were killed by the plague, and history textbooks have long blamed rats. But new research suggests that gerbils were to blame. Can we ever be sure of historical facts?
Deadly salad bug causes crisis in Germany
A dangerous strain of E. coli has killed 22 people and made thousands seriously ill in Northern Germany. Highly aggressive, and resistant to...