Researchers at the California Institute of Technology have devised a new class of materials that can shift seamlessly between ...

Ancient Greece produced the earliest records of democracy, western philosophy — and, it turns out, lead pollution.

Data reviewed by Caltech scientists found spikes of lead, chlorine and bromine in the air after the Eaton fire started.

Lead released from smelting in ancient Greece is the world’s first toxic pollution, experts say. View on euronews ...