You already know new is almost always more expensive. What people underestimate is how much more expensive, and how little difference it makes in practice. A set of hand tools from a garage sale does ...

Researchers simulated nearly every molecule in a bacterial cell — and then watched the cell grow and reproduce.

The Phantom MK-1 looks the part of an AI soldier. Encased in jet black steel with a tinted glass visor, it conjures a ...