How much of a risk is space junk?
Space junk.
It might sound like an out-of-this-world problem that we don\u2019t need to worry about here on Earth \u2013 but is it?
As we send more and more metal in the form of satellites up into space, scientists are warning it is becoming more of a risk both here \u2013 and up there.
We dig into the problem and what\u2019s being done to clean it up.
Also this week, we answer a listener question about oceans and their influence on global temperatures, and we ponder the use \u2013 and sometimes abuse \u2013 of scientific language.
And with the Paris Olympics well under way, how much does sex affect sporting performance?
Presenter: Victoria Gill \nProducers: Ella Hubber & Gerry Holt \nEditor: Martin Smith \nProduction Co-ordinator: Jana Bennett-Holesworth