Explainer: What Is Mass?

When it comes to electrons, Higgs bosons or photons, they don’t have much going for them. They possess spin, charge, mass and … that’s about it. Sometimes they only carry […]

Explainer: What Is Genome Editing?

Mistakes in the paper version of the Encyclopædia Britannica took a long time to correct – years often passed between revised editions – but these days editing information is much […]