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

Topology has real implications in the world. For example, topological techniques can be brought to bear on calculating the trajectories of spacecraft, and missions have been saved by the efforts of ...

A nearly century-old snapshot of the London Underground could be yours - if you have £100,000 to spare. Ccan you spot the ...

Think you have hawk eyes? Then find the hidden number expertly placed in this 3D optical illusion rug image in 7 seconds. Only 1% with hawk-eye vision and intelligence can do so. Are you one of those ...

India is leading the world in AI-driven education, with over 2 million students now having free access to Google’s most ...

And Needful Things isn’t just any antique store – it’s a sprawling wonderland where bargains lurk around every corner like friendly ghosts waiting to be discovered. Your bargain-hunting adventure ...

Tucked away in the southwestern corner of Indiana lies a verdant puzzle that seems plucked from the pages of a storybook – the Harmonist Labyrinth in New Harmony. This isn’t your typical tourist trap ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

In liquid-bearing concrete structures, joints are where protective linings fail first. A monolithic film is asked to span a ...

Photoshop tutorial showing how to easily create geometric designs of sunbursts, starbursts and other cool-looking shapes.

Particles as different as soap bubbles and ball bearings can be made to arrange themselves in exactly the same way, according ...