Alison Hawke

Smart lenses to halt short sight Scientists have designed special contact lenses that could help make short-sightedness a thing of the past.  The custom-made lenses are intended to correct problems with focusing which eye experts blame for progressive short vision, or myopia.  A team at Anglia Polytechnic University

Black holes 'do not exist' Black holes are staples of science fiction and many think astronomers have observed them indirectly. But according to a physicist at the Lawrence Livermore National Laboratory in California, these awesome breaches in space-time do not and indeed cannot exist.  Over the past