Deep inside caves, water dripping from the ceiling creates one of nature's most iconic formations: stalagmites. These pillars ...

In a recent study, mathematicians from Freie Universität Berlin have demonstrated that planar tiling, or tessellation, is ...

It's important to keep your brain active throughout the day - and one way to achieve this is bychallenging yourself to a brainteaser. But one optical illusion has sent social media users into a spiral ...