Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

In response to my article on inequality reduction, Matt Bruenig claims that I am “simply the latest victim” of “the most deceptive paper ever written” on the subject. It is an admittedly odd task to ...

Learn why more Americans are tapping into their 401(k) savings and the potential consequences. Find out expert advice on better financial alternatives.

The DRC must harmonise customary and statutory laws to close loopholes that allow child marriage to persist. Law enforcement ...

The revolution started on social media. It ended with protests, violence, and an online poll to pick the new prime minister.

Hundreds of thousands of older people missed out on vital help with their heating bills last winter - not because they ...

Donald Trump’s latest round of trade talks with China could mean a temporary calm in our turbulent relationship. In the past ...

It took a long time for zero to be recognised as a number at all, let alone one of the most powerful ones – but now it’s ...

The Department of Homeland Security promises a $1,000 bonus to anyone who self-deports ... but refuses to say how many people ...

In France, 21% of people aged 55-61 struggle to find work but are unable to retire. Women, who suffer more from societal ...