Understanding how a crack grows in metal requires simultaneously calculating the behavior of hundreds of billions of atoms: ...

To play this video you need to enable JavaScript. Do you have a question you want us to answer? You can send us your questions to learning.english@bbc.co.uk 1. Learn informal expressions and practise ...

Ben Gomes spent 21 years building Google Search. Now he argues the most important thing in education is something no ...

Pope Francis died on Monday morning, aged 88, after leading the Roman Catholic Church for more than a decade. His funeral will take place on Saturday and will be attended by leaders from around the ...