This week in science | July 27th. Sauce: Extinction: Genome: Beef: Crows: Virus: Dinosaurs: Insect: Tyrannosaurs: . Scientists warned that A study found that A  This week in science | July 27th Sauce: Extinction: Genome: Beef: Crows: Virus: Dinosaurs: Insect: Tyrannosaurs: Scientists warned that A study found