Map is a common way to transform lists in most programming languages. In Python, map is a function that loops over a list and applies a function (that you provide) to each item. Your function receives ...

Research science is an interesting career focused on carrying out experience, gathering data and analysing and presenting results about a specific topic within a scientific field.

There are huge gaps in what we know about sperm, from how they navigate to why sperm counts are tumbling. The BBC unravels why we know so little about this perplexing cell.

Cinema's greatest films combine artistry with lasting popular influence. Here are 60 movies that perfectly balance both sides of that equation.