By Dr Thomas Gernon – Associate Professor in Earth Science (Thomas.Gernon@noc.soton.ac.uk)   Last month, Ocean and Earth Science welcomed Professor Paul Hoffman from Harvard University for a three-day visit. Paul is famous for developing the theory of ‘Snowball Earth’, when in the late Proterozoic (~700 Ma) the oceans froze and our whole planet was covered… Read More A 3-day visit by Professor Paul Hoffman with a short-course on Snowball Earth