Why does boiled water taste different?

28 September 2012
Presented by Chris Smith, Redi Tlhabi.

Is the Earth about to gain a new tectonic plate? What is pompholyx and what are the treatment options? Why does sunburned skin blister? Why does boiled water taste different? Is there anyone who can still make a pencil from scratch? Why won't sugar solutions freeze? Why does my dog yawn when it gets up? Does famine affect genes in future generations?

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