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The Diamond Age of Spintronics

Quantum electronic devices that harness the spins of electrons might one day enable room-temperature quantum computers—made of diamond

By David D. Awschalom, Ryan Epstein and Ronald Hanson

Experimental Drugs on Trial

A controversial lawsuit challenges the FDA's system of controlling access to experimental drugs and, some say, the scientific basis of drug approval

By Beryl Lieff Benderly

Big Lab on a Tiny Chip

Squeezing a chemistry lab down to fingernail size could provide instant medical tests at home and on the battlefield

By Charles Q. Choi

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