Double Trouble
When identical twins are not identical
Stories by John Horgan
Measuring Eternity
New observations favor a younger age for the cosmos
Stinging Criticism
A "controversy" over bees' dance language resurfaces
Unsolved Mysteries
New data suggest a solution to the solar-neutrino problem
Bufo Abuse
A toxic toad gets licked, boiled, teed up and tanned
The Death Penalty
Most Americans favor it, but what purpose does it serve?
Death Watch
Updates on four dubious but enduring theories
Overview: Schizophrenia
This devastating illness remains profoundly mysterious
Open Skies
An old proposal for legal spying gains new life
Free Radical
A word (or two) about linguist Noam Chomsky
Mandelbrot Set-To
Did the father of fractals "discover" his namesake set?
Right to Lie?
Studies disprove claims about abortion's dangers
Test Negative
A look at the evidence justifying illicit-drug tests
R.I.P. Blackbird
A legendary spy plane is brought down to earth
Indecent Burial
Obstacles to the disposal of nuclear waste proliferate
Claude E. Shannon
Unicyclist, juggler and father of information theory
Quasicrystal Clear
Is entropy the driving force behind this odd form of matter?
Photogenic Science
A colorful balloon and raft help rain-forest researchers
Quantum Consciousness
Polymath Roger Penrose takes on the ultimate mystery
