Your lower esophageal sphincter (LES) is a muscular ring that connects your esophagus with your stomach. It relaxes to let food pass through but otherwise stays closed to prevent stomach acid from ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

The phrenic nerve controls the diaphragm, the dome-shaped muscle that is primarily responsible for breathing. Contraction of the diaphragm expands the lungs and draws air into them. The phrenic nerve ...

Take a breath. Feels good, doesn’t it? That’s because breathing is vital to existing—and to perfecting your skills as a singer. Without good breath support and strength, your voice will simply not hit ...

PI Ceramic has achieved a first breakthrough in the manufacturing of lead-free piezoceramic components and now invites customers to joint development projects. In particular, the bismuth sodium ...

High-performance, lead-free piezoelectric ceramics, reducing environmental impact in sonar, medical and industrial ...

Diaphragm pumps are the hidden heroes behind some of the most essential industrial applications. These prolific machines are used in a wide variety of processes across industries—agriculture, ...

You know breathing is always critical. Your body’s cells need oxygen to function, and you need to release carbon dioxide, a waste gas, through exhalation. When you run (or participate in any other ...

How researchers are modifying basic materials to enhance and tailor transducer performance. Efforts and results achieved with piezoelectric materials. Efforts and results achieved with triboelectric ...