SINGAPORE - From 2026, all upper secondary students can opt to do computing as an elective subject, in a bid to equip students with increasingly important digital and computational thinking skills.

Schoolchildren from Caversham have become the first to learn a brand new theory that dividing by zero is possible using a new number - 'nullity'. But the suggestion has left many mathematicians cold.

This is the first comprehensive review on methods and materials for use in optical sensing of pH values and on applications of such sensors. The Review starts with an introduction that contains ...