Testing String Theory
Advocates say vibrating strings underlie every particle and every force in the universe. But will anyone ever be able to prove that?
by Michio Kaku, Illustrations by Don Foley
Think Tank
Top scientists pinpoint the critical developments of the last 25 years and predict wonders yet to come
The Mother of Gardens
Countless plants Americans tend with pride all came from the wilds of China.
Counting Carbons
How much greenhouse gas does your family produce?
Fighting the Parasite from Hell
Deaths from malaria are rising as older medicines fail
Illuminated Life
Meet the true masters of optics: Animals that know a lot more about slicing, dicing, and twisting beams of light than we do
Are the Desert People Winning?
There's a big difference between people from forests and those from arid lands.