Series taking a look at various scientific phenomena
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Ben Silburn climbs on a red blood cell on its journey from the heart and around the body.
Ben Silburn investigates the galaxy's 'dirty snowballs' from the mysterious Oort Cloud.
Deep underground in a lab in Geneva, scientists try to discover more about the Big Bang.
Ben Silburn recalls the volcanic eruption in Martinique that killed 30,000 people.
Billions of kilometres away in space, two man-made objects send signals back to Earth.