The idea of the atom as the building block of matter has developed over time. What was thought of as a single particle about 1 × 10‾¹⁰ m across is now known to be a collection of smaller particles.

A Popular Science columnist has transformed the prosaic periodic table into a drop-dead gorgeous coffee-table book. Each of the first 100 elements gets a stunning spread with a brief bio, including ...

A chemical bond between a superheavy element and a carbon atom has been established for the first time. This research opens new vistas for studying the effects of Einstein's relativity on the ...

GALLIUM IS an unusual element. It is a light, silvery metal, similar to aluminium. But unlike aluminium, if you hit it with a hammer it shatters like glass. It melts at about 30°C—in your hand, or ...