After decades of study, researchers can't agree on whether nutritional supplements improve health. By Melinda Wenner Moyer.

The Ponzi Economy. Many ordinary business practices resemble this infamous con game." By Kaushik Basu.

Solar energy: Springtime for the artificial leaf. Researchers make headway in turning photons into fuel. By Jessica Marshall.

Researchers are pinpointing the brain circuits that can help us form good habits and break bad ones. By Ann M. Graybiel & Kyle S. Smith

By releasing the brakes tumor cells place on the immune system, researchers develop new treatments for cancer. By Jedd D. Wolchok

Crisis in Physics. Supersymmetry, with its deep view of the quantum world, is at a crossroads. By Joseph Lykken & Maria Spiropulu

Luck played a big part in many fossil discoveries. New models predict where the bones are... By Robert Anemone and Charles Emerson

Rise of the Crash-Proof Car. When cars won't let drivers make mistakes, crashes may become a thing of the past. By staff writers.

Communicating with patients who appear to lack consciousness is becoming a reality. By Adrian M. Owen.

The rate of global temperature rise may have hit a plateau, but a climate crisis still looms in the near future. By Michael E. Mann.