## Symmetrically So

Exploit the symmetry and turn this quartic into a quadratic....

Exploit the symmetry and turn this quartic into a quadratic....

Can you work out which spinners were used to generate the frequency charts?...

Solve the system of equations xy = 1 yz = 4 zx = 9...

An equilateral triangle rotates around regular polygons and produces an outline like a flower. What are the perimeters of the different flowers?...

What is the chance this pea plant will look like its parents?...

The immersive and often exhilarating experience of "flow" while playing sports, making art, or working is a much sought-after state of mind associated with peak creativity and productivity, which is why artificial intelligence programmers and human resource departments alike are eager to find ways...

Italian nurse Daniela Poggiali was arrested and convicted of murdering two hospital patients in 2014. Her case attracted the attention of Leiden statistician Richard Gill. After his investigation, together with an Italian colleague, Poggiali was acquitted last autumn. Together with fellow...

Not all data are created equal. But how much information is any piece of data likely to contain? This question is central to medical testing, designing scientific experiments, and even to everyday human learning and thinking. MIT researchers have developed a new way to solve this problem, opening up...

Take three consecutive numbers and add them together. What do you notice?...

An activity for high-attaining learners which involves making a new cylinder from a cardboard tube....