iPhones made in 2014+ have a barometer for real-time elevation tracking. A barometer measures air pressure, which is crucial for calculating altitude changes. The native iPhone Compass app has a built ...

Flying on an airplane may raise blood pressure in the lungs, especially for older people. A new study from Oxford University ...

We demonstrated that decreases in ambient pressure cause predictable unintended insulin delivery by two independent mechanisms. The first mechanism is due to air coming out of solution and forming ...