In March 2011, she presented a BBC documentary in the Horizon series entitled Are We Still Evolving?BBC Horizon Are We Still Evolving?. BBC.co.uk (27 August 2012). She presented the series Origins of Us, which aired on BBC Two in October 2011, examining how the human body has adapted through seven million years of evolution. The last part of this series featured Roberts visiting the Rift Valley in East Africa.
