Analyses of hundreds of thousands of papers in the natural sciences reveal a paradox: scientists who use AI tools produce more research but on a more confined set of topics.

The small-bandgap semiconductors LnCd 3 P 3 (Ln = La, Ce, Pr and Nd) are promising materials to study emergent phenomena from geometric frustration across bond, spin and charge degrees of freedom.

Regulators are probing Trip.com for monopolistic behaviour, erasing $8 bln in value, or 17%, from the travel group. Its dominance, surging profits and hotelier complaints are valid concerns. As with ...