Volume 569 Issue 7757



News Features

News & Views

An ‘on’ switch for proteins p.490

Current methods for producing proteins that can be activated by light require knowledge of the protein’s active site, or can reduce the protein’s functionality. A technique that overcomes these issues has been devised.

doi: 10.1038/d41586-019-01394-1

Quantum gases show flashes of a supersolid p.494

Supersolids are highly sought-after structures whose atoms can simultaneously support frictionless flow and form a crystal. Hallmarks of a supersolid have now been observed in three experiments that involve quantum gases of dipolar atoms.

doi: 10.1038/d41586-019-01585-w