Abstract: In robot-assisted endoscopic procedures, the surgeon steers haptic devices to perform delicate and interactive surgical tasks on soft tissue. This instrument of the haptic device can measure ...

Abstract: English language learning involves acquiring the ability to understand, speak, read, and write in English. It focuses on developing skills in vocabulary, grammar, pronunciation, and ...

Earth’s ecosystems are governed by natural balance systems that respond to prolonged stress. Scientists say rising temperatures, species loss, and resource depletion are pushing those systems toward ...

The climate is changing and nowhere is it changing faster than at Earth's poles. Researchers at Penn State have painted a comprehensive picture of the chemical processes taking place in the Arctic and ...