Former President Donald Trump's surprise Nobel Physics Prize nomination by a controversial physicist has Canadian academics and scientists debating the boundaries of scientific recognition and political influence.
Nigerian Nobel Prize-winning author Wole Soyinka reveals his US visa was abruptly revoked, sparking concerns about academic freedom and US-Nigeria relations.
Nobel Prize-winning playwright Wole Soyinka accuses US authorities of denying his visa application in retaliation for his criticism of American foreign policy and support for Palestine.