Icy moon is hyperactive
Saturn’s moon Enceladus, long believed to be cold and dead, is alive with ice volcanoes. NASA’s Cassini spacecraft flew by Enceladus on 14 July and found a cloud of water vapour over its south pole and fissures on the surface where water ice seems to be evaporating. Volcanic heat is the likely cause.
Citizens, test thyselves
In a bid to reduce deaths from a persistent killer, the UK’s National Health Service is to send men and women aged between 60 and 69 a home testing kit for bowel cancer from April next year. The disease is…
