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Hannah Fry takes a spectacular look at the science of size by imagining a parallel world in which everything is made bigger or smaller.

Series of investigative science documentaries.

Hannah Fry takes a spectacular look at the science of size by imagining a parallel world in which everything is made bigger or smaller.

Hannah Fry takes a spectacular look at the science of size by imagining a parallel world in which everything is made bigger or smaller.

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Discoveries that have revolutionised our understanding of what it means to be human, allowing us to live longer, better, smarter and stronger.

Hannah Fry takes a spectacular look at the science of size by imagining a parallel world in which everything is made bigger or smaller.

Hannah Fry takes a spectacular look at the science of size by imagining a parallel world in which everything is made bigger or smaller.

Hannah Fry takes a spectacular look at the science of size by imagining a parallel world in which everything is made bigger or smaller.

Iain Stewart reveals some surprising facts about the world's most destructive and spectacular natural phenomena, from earthquakes and tsunamis to...

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.

Using state-of-the-art technologies, Richard Hammond goes beyond the limits of the naked eye and explores the hidden secrets of the invisible world...