Perioperative anemia and red blood cell transfusions are important risk factors for morbidity and mortality in cardiac surgery. Preoperative anemia is common, with up to 50% of patients presenting for ...

Virtual fencing technology is helping ranchers in central Utah manage livestock and protect fragile land after the Monroe Canyon Fire burned tens of thousands of acres last summer.

This vlog style film for primary schools explores the work of Sir Isaac Newton as a physicist and astronomer, and looks at ...

Learn how to investigate biodiversity in your school playground with the BBC. Use our activity guide, teacher notes and video ...