Making more twins

21 December 2012
Presented by Chris Smith, Redi Tlhabi


Baby identical twins - they may share the same genes, but which ones are active?


How box jellyfish venom exerts its lethal effect, will the World end, how were the pyramids aligned, why does humid air feel hotter, why does a hot water stream slow after the tap is opened, what causes lights to twinkle, why do humans have language, is there a way to make more twins, where do stepped-on snails go, and why do diabetics sometimes smell like pear drops? Dr Chris tackles another crop of top questions...


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