Easy-looking math sum leaves people scratching their heads - can you remember the special rule?

A seemingly easy-looking math sum has left people scratching their heads as it proves to be more challenging than anticipated ...
EuropaWire

CERN Council Reviews Strategy Recommendations Naming FCC-ee as Preferred Future Collider

The ESG developed its recommendations during an intensive meeting held in Ascona, Switzerland, from 1 to 5 December 2025. At the December Council session, the Council formally acknowledged the work of ...