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Getting lost in infinite loops

Eugenia Cheng wanders through the wonderful world of infinite mathematics in this extract from her book Beyond Infinity, shortlisted for the 2017 Royal Society Insight Investment Science Book Prize.

Cassini’s one-way mission into Saturn

This week Cassini’s two-decade-long mission comes to a spectacular close. But before the craft ends its trip with a fatal plunge into Saturn, let's look at some of the incredible discoveries it has made.

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