Mother testifies she urged Colin Gray to lock up guns before Apalachee High shooting in Georgia

Colin Gray is on trial after prosecutors say he helped enable his son’s deadly school shooting in Georgia by giving him a gun.

1 protein to rule them all – why crowning the protein that makes jellyfish glow green as a model can help scientists streamline biology

Researchers have been studying tens of thousands of proteins and even more variations without a yardstick to compare their results.