Do Satellites Collide?

Why don't satellites collide? Do bullets fire upwards still kill people? And why doesn't glue stick to the container?...
27 March 2013
Presented by Chris Smith, Redi Tlhabi


GPS satellite


Do satellites collide? Can albinism be diagnosed on a scan? What causes the timing of the equinox to vary? Do bullets fired in the air still kill people? Can we make a human from just a genetic code? Why doesn't glue stick to the container? What's left underground once oil has been removed? And why can't we tickle ourselves? Join Dr Chris for another round up of the best science questions from South Africa.


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