When you do not need to speak or write about exact quantities or measures, learning to round decimals can be useful. Rounding decimals is useful when making an estimation. The process is similar to ...

Questionnaires can be used to measure people's thoughts and emotions. What is needed to make such information reliable and useful? Depression is measurable. We can observe behaviour, examine ...

The vision of human-level machine intelligence laid out by Alan Turing in the 1950s is now a reality. Eyes unclouded by dread or hype will help us to prepare for what comes next.