When you only need two outcomes, the IF function is fine. But the moment you start stacking conditions (if this, then that, otherwise if this, then that), you’re building a house of cards. At first, ...

In a typical nesting arrangement, each parent stays in the home with the children during their agreed custody period, while ...

Illustration of a robust nested molecular cage, featuring an inner octahedron enclosed within an outer truncated tetrahedron. Its structure was validated using high-field NMR spectroscopy, cryo-EM, ...