Every week, Femail asks two singletons to report back from their blind date. Today, Jo and Simon recount their lunch. Read on ...

Like physics, math has its own set of “fundamental particles”—the prime numbers, which can’t be broken down into smaller natural numbers. They can only be divided by themselves and 1. And in a new ...

acl-cpp-python is a package that binds the AtCoder Library (ACL) implemented in C++ to Python. Internally, it is implemented in C++, so you can use fast convolutions, flows, string algorithms, etc.

Digitally delicate prime numbers become composite with this one weird trick. Math researchers proved these primes exist using the bucket proof method. There are no known examples so far, but ...