
Crystal Math
Charles Q. Choi is a frequent contributor to Scientific American. His work has also appeared in The New York Times, Science, Nature, Wired, and LiveScience, among others. In his spare time, he has traveled to all seven continents.

Crystal Math

New World, New Disease

Humans Marrying Robots? A Q&A with David Levy
Is love and marriage with robots an institute you can disparage? Not to computer pioneer David Levy. Continuing advances in computers and robotics, he thinks, will make legal marriages between Homo and Robo feasible by mid-century

Fungus Cowboys

Arabian Brainpower
Can a $10-billion university restore science to the Islamic world?

Going with the Persistent Flow

Brain of the Beholder

Weight Loss on Shaky Ground

Material World
Scientists take inspiration from nature and instill novel magnetic properties

Bt-Beating Bugs

See-Through Technology and Better Sleep
A mix of technology accompanies the doings of a maverick researcher

Bone Sweat Bone

Not So Neutral Neutron

Glow for the Dark
New kind of night vision for the clearest images yet

Monkey See, Monkey Ignore
Primates can delay gratification to earn a bigger prize

Eye on the Tiger

Whatever happened to...?
Cosmic Radiation -- Smoking and Genes -- Shrubs 1, Grasses 0 -- Corona Heat

Molecules with Antimatter

Can a Cockroach Live without Its Head?

Cross-Circuiting to Nanotubes

Big Lab on a Tiny Chip
Squeezing a chemistry lab down to fingernail size could provide instant medical tests at home and on the battlefield

New Beginnings
Ideas for a time before the big bang—which might be testable

Paddle-Free Swimming

When Clean Living Isn't Longer Living