Following the launch of the MeerKAT radio telescope, SKA SA Chief Scientist Dr Fernando Camilo explains what it means for South Africa and the world. In Unscience we find out about unusual ways to kill a cockroach. Later, the link between African people and the stars is explored with author and journalist Zulumathabo Zulu and Wits University professor of physics, Vishnu Jejjela. wits.journalism.co.za