Editor's note: Follow the latest on flight cancellations and delays with USA TODAY's live coverage on Tuesday, Nov. 11. Flight disruptions across the United States were expected to rise through the ...

Ultrasound-powered stingraybot A bioinspired soft surgical robot with artificial muscles made from microbubble arrays swims forward under swept-frequency ultrasound excitation. Right panels: motion of ...

A smart thermostat can help you save a considerable amount of money by reducing your heating and cooling costs, while also allowing for convenient app and voice controls. However, not all smart ...