@Astro_Ron #Mandela's Unsung #Africa Legacy of #Science and #Technology | by @Calestous http://bit.ly/1jtZS5F via @newscientist
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@Astro_Ron #Mandela's Unsung #Africa Legacy of #Science and #Technology | by @Calestous http://bit.ly/1jtZS5F via @newscientist