Evolution
In the Beginning…
Scientists are having a hard time agreeing on when, where and—most important—how life first emerged on the earth
Stories by John Horgan
Environment
Going to Pot
A grassroots movement touts hemp's environmental virtues
Health
Double Trouble
When identical twins are not identical
Space & Physics
Measuring Eternity
New observations favor a younger age for the cosmos
The Sciences
Stinging Criticism
A "controversy" over bees' dance language resurfaces
Space & Physics
Universal Truths
The Sciences
Unsolved Mysteries
New data suggest a solution to the solar-neutrino problem
Environment
Bufo Abuse
A toxic toad gets licked, boiled, teed up and tanned
The Sciences
The Death Penalty
Most Americans favor it, but what purpose does it serve?
The Sciences
Death Watch
Updates on four dubious but enduring theories
Mind & Brain
Overview: Schizophrenia
This devastating illness remains profoundly mysterious
Technology
Open Skies
An old proposal for legal spying gains new life
The Sciences
Free Radical
A word (or two) about linguist Noam Chomsky
The Sciences
Mandelbrot Set-To
Did the father of fractals "discover" his namesake set?
Health
Right to Lie?
Studies disprove claims about abortion's dangers
Technology
Test Negative
A look at the evidence justifying illicit-drug tests
The Sciences
R.I.P. Blackbird
A legendary spy plane is brought down to earth
Environment
Indecent Burial
Obstacles to the disposal of nuclear waste proliferate
The Sciences
Claude E. Shannon
Unicyclist, juggler and father of information theory
The Sciences
Quasicrystal Clear
Is entropy the driving force behind this odd form of matter?
