

Worms, Magnets and Environmental Change
[P4 Science and up: Magnetism] It frankly never occurred to me, and like many other people, that this was a thing. The case is not...


Foci
[S1 Science & Maths: Reflection (and property of ellipses)] You may have found a puzzle like this while digging around older newspaper...

Puzzles, Logic and inherently bad design
[All Ages Maths - Logic] The question above seems simplistic, but I would like to stress that the model above is far from perfect as a...