The heavyweight guide to Ukraine
Joseph Rotblat - nuclear physicist, Pugwash organiser, disarmament campaigner, Nobel peace laureate, eternal Pole, world citizen has died at the age of 96. Brian Cathcart remembers him.
The British contribution to the destruction of Hiroshima and Nagasaki still affects the countrys nuclear-weapons policy to the worlds detriment, says Brian Cathcart.
The effort to eradicate polio worldwide is a test of human capacities, but Brian Cathcart reports that the disease is not giving up without a fight.