In "The Creatures' Guide to Caring," Elizabeth Preston traces myriad methods of caregiving across the natural world.

Ars Technica: It could be catastrophic, economically speaking, when the AI bubble finally bursts. But you point out that ...

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...