It’s the biggest story of recent weeks. Literally.

Trillion-tonne iceberg A23a is on the move. But where is it headed and why – and what might it mean for the scientists and penguins in its path?

And from a giant ‘megaberg’ to a giant pile of highly radioactive material, we find out what locking away a load of radioactive waste has in common with baking a cake.

And we’re joined by science journalist Caroline Steel to guide us through this week’s science news.

We’ll hear about the first study into whether banning phones in schools works, why scratching an itch might have benefits beyond just satisfaction, and the perfect formula to boil an egg...

Presenter: Victoria Gill Producers: Sophie Ormiston, Ilan Goodman & Gerry Holt Editor: Martin Smith Production Co-ordinators: Jana Bennett-Holesworth & Josie Hardy

Science-backed boiled egg recipe:

- You need two pans… and exactly 32 minutes - Keep one pan at 100 degrees Celsius (boiling) and the other pan at 30 degrees Celsius - Move the egg between the two every two minutes for 32 minutes

Enjoy!

To discover more fascinating science content, head to bbc.co.uk search for BBC Inside Science and follow the links to The Open University.