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This week, why pregnant women are 42% more likely to have a car crash, how astronomers can now see planets around distant stars, and why octopuses don't tie themselves up in knots. Plus, we look at how our power grids are going to be transformed, from technology which hopes to reduce our energy prices to new ways to include wind and solar power in the grid.

Release date:

1 hour

Last on

Sun 18 May 2014 20:00