A study in newborn chicks shows that brain lateralisation is essential for the development of a left-to-right mental number line.

Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...

Create a hybrid home that works, plays, and relaxes. From modular furniture to hidden wellness gear, design one room that does it all.

It creates a reusable function that takes three inputs: actual sales, sales quota, and a weighting factor. It returns a ...

Bond insurance protects investors if the bond issuer defaults, ensuring missed payments are covered. Insured bonds often receive higher ratings, reducing risk and allowing issuers to pay lower ...

Dylan MoriartyDylan Moriarty is a graphics reporter and cartographer at The Washington Post. @DylanMoriarty Joe FoxJoe Fox is a senior interactive news designer. Before joining The Post in 2018, they ...