Scientific American Magazine

Inadequate maintenance has piled up a repair bill that will take decades to pay off. Indeed, the scope of the problem is only now becoming clear

An object orbiting close to a black hole feels a centrifugal force pushing inward rather than outward. This paradoxical effect has important implications for astrophysics

Certain molecules on tumors can serve as targets for attack by cells of the immune system. These tumor-rejection antigens may provide a basis for precisely targeted anticancer therapy

Recent advances in microelectronics and liquid crystals make possible video screens that can be hung on a wall or worn on a wrist

Besides recognizing odors from their caterpillar hosts, wasps also learn to identify compounds released by the plant on which the caterpillars feed

The invention of fat-burning lamps toward the end of the Ice Age helped to transform European culture. It coincided with several other major technological advances

Parts of the vast rain forest are as much aquatic as terrestrial ecosystems. Unique adaptations allow creatures to thrive in these inundated woods

The known rules of genetics.....