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Print edition: February 2000
Features
Silicon germanium makes its mark
Physics in Action
Novel crystals from pressured metals
Experimental attosecond science makes its debut
Simplicity works for superfluid helium
Pulsar may be strange star
Post-deadline
Revealing the cat in the box
Stonehenge may have predicted lunar eclipses
News & Analysis
Debut for electron-laser surgery
Reversal of fortunes in UK
Literate physicist gets taste for fiction
Public seeks new dialogue
Neutrino factory gathers momentum
Secret cities seek longer-term support
Physics takes centre stage
From low temperatures to high profits
PhD students prefer life without science
Neutrino work wins Wolf prize
US industry raises R&D spend
Unknown story makes headline
Row over test-ban evidence
Forum
Facing up to ethical challenges
Feedback
Recalling Britain's key nuclear role
Reviews
Carl Sagan: the man revealed
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography, Simon Singh
Carl Sagan: A Life, Keay Davidson
Carl Sagan: A Life in the Cosmos, William Poundstone
H2O: A Biography of Water, Philip Ball
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