Feature

A Pulsar’s Beat Goes on, but Slower

Biomedicine

Life Change: What Do Women Want?

Estrogen Receptors Detected in Bone Cells

Anthropology

More than Just Your Average Star

Hard Liver, Soft Results

Back Matter

Scientist Says Greenhouse Warming Is Here

2001 and beyond: A Space Odyssey

Front Matter

Laser Chemistry Not a Snap — but Possible