Russian-born scientists Andre Geim and Konstantin Novoselov, both now professors at the University of Manchester, were awarded the 2010 Nobel prize for physics on Tuesday morning. Geim and Novoselov isolated the graphene and conducted "ground-breaking experiments" on this single-atom piece of carbon. Their discovery has several practical applications, for example, as an electricity conductor, but until the world in general becomes more acquainted with the graphene, Geim will probably be best-remembered for the research paper he co-authored with his favourite hamster. Read more: Swedish Wire, New Scientist
Watermelons were originally cultivated in Africa.