Can Aeroplanes run on Diesel?

18 May 2012
Presented by Chris Smith, Redi Tlhabi.


A380 Airbus


Are premium-priced fuels really worth the extra cost? Why are males born with nipples? Is a male contraceptive pill in the offing? Do all animals get the same number of heartbeats? Does any one organ failing cause death? Can aeroplanes run on diesel? Why does silver tarnish? What causes lightning? Is mental illness curable? Join Dr Chris for the answers to this week's crop of queries from South Africa.


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