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Factual: Science & Nature

Factual: Science & Nature: Science & Technology

A weekly programme looking at the science that's changing our world.

A weekly programme that illuminates the mysteries and challenges the controversies behind the science that's changing our world.

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BBC Inside Science: Ultima Thule, Dry January, Periodic Table

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Ultima Thule, Dry January, Periodic Table

BBC Radio 4 - BBC Inside Science, Ultima Thule, Dry January, Periodic Table

The latest on Nasa's Ultima Thule mission and the science behind Dry January

Marnie Chesterton explores the latest on Nasa's Ultima Thule mission and the science behind Dry January.

2019 means the opportunity to explore the most distant object yet encountered in our solar system – the brilliantly named Ultima Thule as Nasa’s New Horizons spacecraft hit the headlines this week when it flew past an object 4 billion miles away, took photos and sent them back to earth. The stunning images confirmed that Ultima Thule looks a bit like a snowman, only several miles in length and orbiting somewhere much colder than any earth winter. Inside Science talked to Dr Carly Howett, a member of the New Horizon’s team and deputy principle investigator of the RALPH instrument, which will send back data on Ultima Thule’s form and structure later this year.

And For many of us, January is a time to try a bit better. And millions of us decide to give up alcohol. It’s called Dry January. But what does this alcohol break actually achieve? Has anyone scientifically researched the results of a month off the sauce? Marnie Chesterton spoke to liver specialist and senior lecturer at university college London, Dr Gautam Mehta. 

And because chemists are celebrating the 150th birthday, or rather birth-year, of the Periodic Table we thought BBC Inside Science should as well. The table is that chart on every science classroom wall. It’s a grid of small boxes, each with a symbol that represents a chemical element. And elements are the fundamental substances that make up everything you can see, and quite a few things that you can’t.

We spoke to chemist Dr Eric Scerri at UCLA, who has written a book on the history and significance of the Periodic Table while Roland Pease visited the lab of Professor Andrea Sella, who is making a physical representation of the whole table, if he can find all the elements that is.

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