NEW YORK (AP) — Wall Street took a pause on Thursday as U.S. stocks and even the price of gold pulled back from record highs following torrid runs. The S&P 500 slipped 0.3% from its latest all-time ...

Lasers have been used to heat solid gold well beyond its melting temperature without losing the metal’s crystalline structure — exceeding a theoretical superheating limit. Read the paper: Superheating ...