Scientists with technical ingenuity are opening new vistas into the finer points of the cell.To true tinkerers the limits of the present are never permanent barriers, merely offers they can't refuse in "A Different Mindset." Also in this issue:
- Sydney Brenner's hopes for understanding the brain—put on hold 30 years ago—are now revived, courtesy of advanced technologies and new insights about a humble but invaluable worm;
- The fact that the two sides of many animals' brains are not mirror images, particularly in humans, may ultimately help to explain the differences in behavior between species and even among individuals;
- If a salamander can regrow a lost limb, why can't we? Or should we be aiming for a different goal?