How have scientists created a sieve for salt water?
Scientists at the University of Manchester, UK, have developed a way to create a sieve using graphene, an incredibly light and strong material, which has holes in it which are less than one nanometre across. These holes will let water through but not salt, meaning sea water could be used for drinking.
What constitutes an offence of corporate manslaughter? Who can be prosecuted for it and what are the punishments?