A series of out-takes, bloopers and jovial moments Read more
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Series 5
When things go wrong
A series of out-takes, bloopers and jovial moments
The Broken Stool
How much does the bacteria inside my body weigh?
The World That Turns
'Why does the Earth spin?' asks Joe Wills from Accra in Ghana.
A Code in Blood
Why do we have different blood types? Drs Rutherford and Fry investigate.
The Astronomical Balloon
'How far up can a helium balloon go? Could it go out to space?' asks Juliet Gok, aged 9.
The Forgetful Child
Why don't we remember the first few years of our lives?