Issues

Macroscopic quantum states of atomic gases, created in 1995, have more than lived up to initial expectations, with journals still bulging with reports of their fascinating behavior.

If fossil isotopic data tell us that the tropical ocean was much cooler 50 million years ago than it is now, then either the data are flawed or we understand very little about global warming.

If a recent experiment is confirmed, theorists will be challenged to explain the evidence for weak ferromagnetism in a compound made solely of carbon.

With the ongoing threat of terrorist attacks, nuclear regulators ponder how to protect the public from a radiation disaster.

Cutbacks, loans, project slowdown, and new money could all contribute to paying the extra costs of the Large Hadron Collider and to restoring CERN’s reputation.

Bursts of focused ultrasound energy three orders of magnitude more intense than diagnostic ultrasound are emerging as a noninvasive option for treating cancer and other medical procedures.

Early in the cold war, a noted scientist was relentlessly hounded by red-baiting congressmen. The lessons of the case remain no less relevant today.

In time, solid-state devices should provide inexpensive, environmentally friendly illumination that changes the way we think about using artificial light.