Horizon

- Season 49

(2012)

Plastic surgeon Dr Rozina Ali finds out whether it is possible to make your skin look younger without surgery, exploring the latest research.

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Different kinds of calorie restriction diets that are supposed to increase life expectancy and decrease brain damage due to aging are analyzed.

Following the cosmologists who are attempting to map the universe, and beyond.

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Across the world, the emergence of bacteria have gone rogue. These are the superbugs, dangerous bacteria that are becoming resistant to the only defence: antibiotics. Horizon meets the scientists who are tracking the spread of these potential killers around the globe, and discovers the new techniques researchers are developing to help defeat these superbugs.

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Creativity defines our species - it lies behind our music and arts, and has allowed us to journey to beyond our own planet. For a long time, it was seen as gift of the gods, beyond scientific explanation. This film finds out what really happens in your brain before you have a great idea.

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Every day we produce more data than the human race did from the dawn of civilization until the year 2000. Twitter, search engines, - these colossal databases can be mined for valuable, sometimes mind-blowing, insights. Horizon unlocks the fascinating world of big data for you.

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With the aim of learning what cats get up to and where they go, 50 cats in one English village are fitted with GPS tracking collars that the scientists are later able to map with some surprising results.

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Iain Stewart investigates a new and controversial energy rush for the natural gas found deep underground. Getting it out of the ground involves hydraulic fracturing - or fracking.

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Professor Alice Roberts is making a new human being. She's five months pregnant. But as an anatomist, and doctor, Professor Roberts has a different perspective on her pregnancy than most mothers and she shares her scientific interest in the process with us in this special.

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