If you twist something — say, spin a top or rotate a robot’s arm — and want it to return to its exact starting point, intuition says you’d need to undo every twist one by one. But mathematicians ...

NeuroSC is an accessible and interactive tool for streamlined observation of neuronal morphology, membrane contact, and synaptic connectivity across developmental stages in the nematode C. elegans.

Imagine closing your eyes and rolling a billiards ball across a table. Where it goes; what angles it hits the sides at; how much it spins or swerves – all that is, for our purposes, basically random.

'We have to rotate him' - Ruben Amorim reveals big-name Man Utd defender - who was regular under Erik ten Hag - is 'not a machine' & won't play every game in same position ...